So far nothing _____ Tom. I want to know the reason _______ he hasn’t written to
题型：不详难度：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 |
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答案
| B |
解析
| 含有so far的句子应该时现在完成时态；reason作先行词，定与从句应该用that引导。 |
举一反三
I decided to go to the library as soon as I ______.| A．finished what I was doing | | B．finished what I did | | C．would finish what I was doing | | D．finish what I did |
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By the time he was twelve he ______ a chemistry lab of his own.| A．built | B．has built | C．had built | D．was building |
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----You’re drinking too much.
----- Only at home. No one ______ me but you.| A．is seeing | B．had seen | C．sees | D．saw |
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The classroom ______ 30 feet long.| A．measures | B．is measured | C．has | D．has length |
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When I talked with my grandma on the phone, she sounded weak, but by the time we ____ up, he voice had been full of life．| A．were hanging | B．had hung | C．hung | D．would hang |
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