So far nothing ________ Tom.I want to know the reason ________ he hasn"t written
题型：同步题难度：来源：
| So far nothing ________ Tom.I want to know the reason ________ he hasn"t written to me. |
| [ ] |
A．heard from；why
B．has been heard from；why
C．was heard from；that
D．has heard from；that |
答案
| B |
举一反三
—Why does the lake smell terrible?
—Because large quantities of water_________. |
| [ ] |
A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted |
| This old custom has________ since the 18th century, and remains practically unchanged. |
| [ ] |
A. handed down
B. been handed down
C. handed out
D. been handed out |
| ________information_________stored in this computer. |
| [ ] |
A. Large quantities of; have been
B. A great many; has been
C. A large quantity; are
D. Quite a lot; is |
| Although all of the apples ________, none of them ________ good. |
| [ ] |
A. have been tasted; taste
B. have been tasted; are tasted
C. have tasted; taste
D. have tasted; are tasted |
—Would you like to go to the cinema with me tomorrow afternoon?
—I’d like to，Mum，but I _____ to a party by Jane. It is her birthday. |
| [ ] |
A. have been invited
B. was invited
C. will be invited
D. am invited |
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