I. Choose the correct item (2) 1. By the time we get to the theatre the film will start/will have started/is going to start. 2. Experts say machines that will do most chores around the house will soon become/overcome/exist part of our life. 3. You don't need to worry about Maria. She's too old/enough old/old enough to stay home by herself. 4. Susan had never tried/has never tried/had never been trying skydiving before, and she was very excited about her first dive. 5. Hurry up! The parade starts/is starting/will start in an hour and you are still getting ready. 6. Tom must/can't/may be playing football at the stadium. I saw him at the supermarket 10 minutes ago. 7. Don has done all his household chores so let him to go/going/go to the cinema with his friends. 8. The child said he had spotted/glanced/looked a strange creature in the sky, with the head of an eagle and the body of a lion. 9. Tomorrow at this time I will help/will have helped/will be helping my parents with the gardening. 10. He doesn't forget meet/to meet/meeting her in the corner of the park. 11. Jane's new house is very spacious/local/crowded, nothing like her old one-bedroom apartment. 12. Since (if) you saw Jake broke/break/to break the vase, why didn't you say anything? 13. Can you imagine having/to have/have a household robot at home? 14. You don't need to make out/up/of an excuse for being late; just tell your teacher the truth. 15. Are you pleased of/with/about the decorations we have chosen? 16. Emma can speak Spanish too well/enough well/well enough to have a simple conversation.

By the time we get to the theatre, the film will have started.
Explanation: The future perfect tense ("will have started") is used to express an action that will be completed before another future event.

Experts say machines that will do most chores around the house will soon become part of our life.
Explanation: "Will do" indicates the future action of machines, and "become" fits the future prediction about machines' role.

You don't need to worry about Maria. She's old enough to stay home by herself.
Explanation: "Old enough" is the correct phrase to indicate sufficient age.

Susan had never tried skydiving before, and she was very excited about her first dive.
Explanation: The past perfect tense ("had never tried") is used to show that the action was completed before another past event.

Hurry up! The parade is starting in an hour and you are still getting ready.
Explanation: The present continuous ("is starting") is used for an event planned or scheduled in the near future.

Tom can't be playing football at the stadium. I saw him at the supermarket 10 minutes ago.
Explanation: "Can't" expresses impossibility, given that Tom was seen at the supermarket, not the stadium.

Don has done all his household chores, so let him go to the cinema with his friends.
Explanation: "Go" is the correct verb form here, as it's part of the infinitive phrase "let him go."

The child said he had spotted a strange creature in the sky, with the head of an eagle and the body of a lion.
Explanation: "Had spotted" is past perfect, indicating that the spotting of the creature happened before the child said it.

Tomorrow at this time, I will be helping my parents with the gardening.
Explanation: The future continuous ("will be helping") is used to describe an ongoing action in the future.

He doesn't forget to meet her in the corner of the park.
Explanation: "Forget to meet" is the correct verb form after "forget," which refers to an intention.

Jane's new house is very spacious, nothing like her old one-bedroom apartment.
Explanation: "Nothing like" is the correct expression to show contrast between the two.

Since you saw Jake break the vase, why didn't you say anything?
Explanation: "Break" is the correct verb form in this context, as it refers to the action seen in the past.

Can you imagine having a household robot at home?
Explanation: "Having" is the correct gerund form after "imagine."

You don't need to make up an excuse for being late; just tell your teacher the truth.
Explanation: "Make up" is a phrasal verb meaning to invent or fabricate.

Are you pleased with the decorations we have chosen?
Explanation: "Pleased with" is the correct prepositional phrase to express satisfaction.

Emma can speak Spanish well enough to have a simple conversation.
Explanation: "Well enough" is the correct phrasing to indicate sufficient ability.