—Did you listen to the report last Friday?—Yes, it was about the shortage of imm
题型：不详难度：来源：
—Did you listen to the report last Friday?
—Yes, it was about the shortage of immigrant workers. That was the first time I ________ about the subject.| A．have heard | B．was hearing | | C．would hear | D．had heard |
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答案
| D |
解析
| D 考察时态。It/This/That was the first time that句型中，从句使用过去完成时。 |
举一反三
As he approached the door, Mike looked into the room again to see if he ________ anything behind.| A．left | B．had left | | C．has left | D．would leave |
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Their house _____ in the big fire, so they decided to build another one.| A．has been destroyed. | B．had destroyed | C．had been destroyed | D．destroyed |
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Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.| A．would lock | B．was locking | C．has locked | D．had locked |
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They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.| A．had been working; are still working | B．had worked; were still working | | C．have been working; have worked | D．have worked; are still working |
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| We won"t know how the plan works till we have tried it ________. |
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