Упражнение 1. Choose the right variant. (Выберите правильный вариант)
1 The boy his homework and now he -TV.
a) already has done, watches
b) already does, has watched
c) has already done, is watching
2. This is the best conference I .
a) am
b) have ever been to
c) ever have been to it
3. The postman usually at 9 in the morning. It is half past 9 now
but he
a) comes, has not come yet
b) comes, has not been coming
c) is coming, has not come yet
4. They the walls and they nice.
a) have painting, are looking
b) have painted, look
c) have been painting, look

Объяснение:

1 The boy has already done  and now he is watching TV.

2. This is the best conference I have ever been to

3  The postman usually  comes at 9 in the morning. It is half past 9 now but he  has not come yet

4 They have painted the walls and they look nice.

1 - c ; 2 - b ; 3 - a ; 4 - b ;

Объяснение:

1. The boy has already done his homework and now he is watching - TV.

2. This is the best conference I have ever been to.

3. The postman usually comes at 9 in the morning. It is half past 9 now

but he has not come yet.

4. They have painted the walls and they look nice.