Circle the best option A, B, C or D to complete the sentences:
8: I wish I ________ what to do to help my mother now.
A. know B. will know C. knew D. have known
9: Thank you for your letter. I am glad ________ that you're keeping well
A, listening B. to listen C. to hear D. hearing
10: There is too much traffic in the city. ________ , the air is polluted.
A. Therefore B. However C. But D. So
11: If I ________ younger, I ________ in a boat around the world.
A. Were - will sail B. were-would sail
C. am - will sail D. am - would sail
12: Human beings must stop ________ the environment right now.
A. to pollute B. polluted C. pollute D. polluting
13: This is the first time I ________ myself out of the house.
A. locked B. have locked C. am locking D. lock
14: Last night I came home, cooked dinner, and ________ TV.
A. watch B. was watching C. has watched D. watched
15: Remember to ________ your shoes when you get into a Japanese house.
A. take over B. take place C. take on D. take off
16. Susan is very __________ of telling other people what to do.
A. fond B. interested C. keen D. bored
17. I am not in a hurry. I don't mind.....
A. waiting B. wait C. to wait D. to waiting
18. Relax for some minutes and you'll feel more .........
A. comfort B. uncomfortable C comfortable D. comfortably
19. I was tired, _______ I went to bed early last night.
A. however B. although C. because D. so
20. We ...................close friends since we were in grade 6.
A. have been B. will be C. were D. are