A: Can you give me a 1) packet/piece of advice, Jim? What food is good for a kids' party? B: Well, first, jam sandwiches. You'll need bread, butter and a 2) jar/bottle of jam. A: Let me get a 3) pair/piece of paper and write this down... OK, so what else? B: A 4) pot/kilo of yoghurt per child is a good idea. Get a few different flavours. A: Right. Now, what about some 5) cans/bowls of soda? B: I don't think kids drink soda. Just get a few 6) pots/cartons of juice and plastic cups. A: Now, I'm going to make a cake, so I'll get some 7) bars/tubes of cooking chocolate. B: And a few 8) glasses/packets of biscuits. Kids love biscuits!

Вот правильные варианты:

1. piece of advice

2. jar of jam

3. piece of paper

4. pot of yoghurt

5. cans of soda

6. cartons of juice

7. bars of cooking chocolate

8. packets of biscuits

Полный вариант диалога:

A: Can you give me a piece of advice, Jim? What food is good for a kids' party?
B: Well, first, jam sandwiches. You'll need bread, butter and a jar of jam.
A: Let me get a piece of paper and write this down... OK, so what else?
B: A pot of yoghurt per child is a good idea. Get a few different flavours.
A: Right. Now, what about some cans of soda?
B: I don't think kids drink soda. Just get a few cartons of juice and plastic cups.
A: Now, I'm going to make a cake, so I'll get some bars of cooking chocolate.
B: And a few packets of biscuits. Kids love biscuits!

Эти сочетания употребляются так в английском: piece of advice, jar of jam, piece of paper, pot of yoghurt, cans of soda, cartons of juice, bars of chocolate, packets of biscuits.