1 Jane is so thirsty. She has just drunk half a litre of Cola-Cola.
2 Have you already done your homework? There is an interesting film on TV.
3 What books have you read recently?
4 We have never cooked unhealthy food.
5 Jack is giving money to the waitress now. But he must not paid. I have already paid for dinner.
6 My grandparents have brought us much tasty and healthy things recently.
7 Nick's mother has bought one kilo of lemons, two hundred grams of rice and a packet of cereal.
8 My sister hasn't fed our dog today.
9 Bob and Jane are old friends. How long have they known each other?
10 I haven't seen him for four years.
11 Has your mother ever srewn stewed meat with vegetables? It's so delicious.
12 Her brother is a vegetarian. Has he ever eaten meat? Never.