Прочитайте эти предложения и выберите правильный вариант.
1.
Robert were lying on the beach
Robert was lying on the beach

2.
It was snowing at 7 pm yesterday
It was snow at 7 pm yesterday

5) they were at the party, were not they?

6) he will not be back, will he?

7) she could help us, could not she?

8) you have no mercy, have you?

9) we have some food, have not we?

10) he will be here, won't he?

11) it's not tasty, is it?

12) it was good, was not it?

1)i have to work hard to improve my english

2)joan doesn’t   have to go.she can stay here.

3)i’m   sorry   i’m late.i had to do the shopping.

4)i think the spacemen has known english.

5)does she have to read this rule?

6)tom doesn’t  have to use a computer.

7)you have to know english to understand people.

8)does mary have to help ann to study english?

9)what time do you have to get up?

10)has your teacher corrected your homework?