Fill in ap, or on. Ask yuor classmates. Do the task in 3 groups.

you mustn't open the door for a stranger. a stranger should trick you. you might answer the phone. you don't have to tell everybody that you are home alone . you must know your parents' phone number. it have to be wise to know your neighbours .

1)in,2)in,)from5)in,6)in

1)мы знаем,что он работает над проблемой космической связи. 2)если вы совершите,даже малейшую ошибку на компьютерном языке, разговор не получится, и вы обязаны начать с заново.3)читальный зал библиотеки конгресса занимает большая коллекция справочников.

ginea  pigs are small and fluffy! they cod be many-many colers.they look like hamsters but they arent,they are bigger than a hamster.they are also called cavy.