18. No sooner ________ than the fire broke out.
A) he had fled the house
B) had he fled the house
C) he fled the house
D) did he flee the house
19. One should be careful to check the grease（潤滑油） and oil in ________ at regular intervals.
A) their car
B) his car
C) our car
D) one's car
20. Foreign bankers are cautiously ________ about the country's economic future.
A) optimistic
B) sensitive
C) confident
D) hospitable
21. It was in 1985 ________ a hole in the ozone（臭氧） layer over the Antarctic was discovered.
A) when
B) where
C) that
D) which
22. Today's markets in cities differ greatly from ________.
A) the past
B) those past
C) that of the past
D) those of the past
23. The destruction of these art treasures was a loss for mankind that no amount of money could ________ .
A) make up for
B) put up with
C) stand up to
D) come up with
24. ________ , our next step is to determine how to carry it out.
A) Having made the plan
B) The plan having been made
C) Making the plan
D) The plan having made
25. After a quick ________ at the patient, the doctor arranged for an ambulance.
A) glance
B) glimpse
C) vision
D) sight
26. I really appreciate _________ to help me, but I ensure you that I am not a rash young man any more.
A) you to offer
B) your offering
C) that you offer
D) that you are offering
27. I promise to meet her in Spain in a month, providing I was ________ recovered to do so.
A) sincerely
B) seriously
C) sufficiently
D) sharply
28. Just before taking off, the pilot once more _________ about weather conditions.
A) requested
B) demanded
C) required
D) inquired
29. The rabbit chews down trees to get food and material _________ its home.
A) which to build in
B) with which to build
C) build
D) building
30. "Why didn't John tell you his experience in Africa?" "I didn't ask him to, but he would have told me everything if I ________."
A) would
B) will
C) had
D) do
A) he had fled the house
B) had he fled the house
C) he fled the house
D) did he flee the house
19. One should be careful to check the grease（潤滑油） and oil in ________ at regular intervals.
A) their car
B) his car
C) our car
D) one's car
20. Foreign bankers are cautiously ________ about the country's economic future.
A) optimistic
B) sensitive
C) confident
D) hospitable
21. It was in 1985 ________ a hole in the ozone（臭氧） layer over the Antarctic was discovered.
A) when
B) where
C) that
D) which
22. Today's markets in cities differ greatly from ________.
A) the past
B) those past
C) that of the past
D) those of the past
23. The destruction of these art treasures was a loss for mankind that no amount of money could ________ .
A) make up for
B) put up with
C) stand up to
D) come up with
24. ________ , our next step is to determine how to carry it out.
A) Having made the plan
B) The plan having been made
C) Making the plan
D) The plan having made
25. After a quick ________ at the patient, the doctor arranged for an ambulance.
A) glance
B) glimpse
C) vision
D) sight
26. I really appreciate _________ to help me, but I ensure you that I am not a rash young man any more.
A) you to offer
B) your offering
C) that you offer
D) that you are offering
27. I promise to meet her in Spain in a month, providing I was ________ recovered to do so.
A) sincerely
B) seriously
C) sufficiently
D) sharply
28. Just before taking off, the pilot once more _________ about weather conditions.
A) requested
B) demanded
C) required
D) inquired
29. The rabbit chews down trees to get food and material _________ its home.
A) which to build in
B) with which to build
C) build
D) building
30. "Why didn't John tell you his experience in Africa?" "I didn't ask him to, but he would have told me everything if I ________."
A) would
B) will
C) had
D) do