Употребите глагол to be в нужной форме: -Both children and grown-ups ……. fond of sports. - She ….. in London a week ago. - Where …… you at 10 o’clock last Friday morning? - They ….. in Pskov next month. - The shops ….. not open today.

Нужно подставить правильные формы глагола to be в зависимости от времени и числа.

1. Both children and grown-ups are fond of sports.
   Подлежащее во множественном числе (children and grown-ups) → are (Present Simple).

2. She was in London a week ago.
   Маркер прошлого времени a week ago + подлежащее she → was (Past Simple).

3. Where were you at 10 o’clock last Friday morning?
   Вопрос, прошлое время (last Friday morning) + you → were (Past Simple).

4. They will be in Pskov next month.
   Будущее время (next month) → will be.

5. The shops are not open today.
   Настоящее время (today) + множественное число shops → are (Present Simple).

Итоговые ответы по порядку: are; was; were; will be; are.