Английский язык Focus 4 unit test 3.

1.to test

2. -

3  to apply

4  to require

5   to fail

6  to fail

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 .

impossibility, invisible,to increase,often,presence,unknown species,to blight,non-coordination

существует ковер в центре комнаты.