1. He can…at the problem alone.
a) to work; b) be working; c) work.
2. I am sorry…late yesterday.
a) to come; b) to have come; c) have come.
3. The teacher lets his students…at lessons.
a) to speak; b) to have spoken; c) speak.
4. You should…tests now.
a) write; b) be writing; c) to be writing.
5. Nick saw the cat…the tree.
a) climb; b) to climb; c) be climbing.
6. You'd better…about it.
a) To think; b) to be thinking; c) think.
7. Would you like…a little?
a) to dance; b) dance; c) have danced.
8. The rule is difficult… .
a) To understand; b) to be understood; c) be understood.
9. I'd rather…this book.
a) To buy; b) buy; c) be bought.
10. I am happy…by my friends.
a) visit; b) to visit; c) to be visited.
11. I could…you at the lesson.
a) to help; b) helping; c) help.
12. He seems…now.
a) To be reading; b) to have read; c) to read.
13. He didn't expect…to the exhibition.
a) being taken; b) to take; c) to be taken.
14. He is glad…to the party.
a) to have invited; b) to have been invited; c) to be invited.
15. As a child Ted used…his bike every day.
a) to be riding; b) ride; c) to ride.
16. On the way home I stopped…a newspaper.
a) buy; b) buying; c) to buy.
17. Remember…the dog before you leave.
a) feed; b) to feed; c) about feeding.
18. He is too young…
a) Getting tired; b) get tired; c) to get tired.
19. I am happy…with you for an hour.
a) to speak; b) to have been speaking; c) to be speaking.
20. English should…to regularly.
а) listen; b) to listen; c) be listened
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