Read the article and choose the correct option (a. b.c or d)​

are they your friends? -yes, they are

is he your brother? - yes, he is

can he ride a bike? - no, he can't

do you want to play with the ball? - no, i don't

does she roller-skate well? - no, she doesn't

does your friend want to play the piano? - yes, he does

1.вы должны попытаться выяснить, так много фактов, как можно больше об этой экспедиции в антарктику.2.группа экспертов должны анализировать сложившейся ситуации связанные с экологическими проблемами нашего города.3.молодому инженеру разрешили применять мобильное оборудование в его экспериментах на поле.4.этот производственный процесс должен был быть улучшен новыми техническими средствами.

1. you should try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

дополнительные  школьные мероприятия  являются частью  школьной жизни.

1. our parents don't play sports, do they?

2. the cat likes milk, does it?

3. there are lots of books on the table, aren't there?

4. your brother has got a lot of money, hasn't he?

5. my dress is too big, isn't it?