A lot of tents, drinking water and food _____ to the homeless earthquake survivo
题型：山东省模拟题难度：来源：
| A lot of tents, drinking water and food _____ to the homeless earthquake survivors in the past several weeks. |
A. are sent
B. were sent
C. have been sent
D. had been sent |
答案
举一反三
| Members do not need to repeat the information which _____ before. |
A. has submitted
B. had been submitted
C. has been submitted
D. submitted |
| Two thirds of the subway construction ____ so far and people will enjoy a fast and convenient trip under the city early next year. |
A. have been completed
B. is being completed
C. has been completed
D. will be completed |
— Can you tell me what time the flight to Detroit leaves?
— I"m sorry, but it ____ due to the fog. |
A. has been canceled
B. had been canceled
C. has canceled
D. had canceled |
| The first edition ____ in 1955 and ____ a best seller ever since. |
A. was published; had been
B. had been published; had been
C. has been published; has been
D. was published; has been |
| His sister left home in 1998, and _____ since. |
A. had not been heard of
B. has not been heard of
C. had not heard of
D. has not heard of |
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