-Are you sure you have to? It’s been so late. Make it another time?-I don’t know

-Are you sure you have to? It’s been so late. Make it another time?-I don’t know

题型:不详难度:来源:
-Are you sure you have to? It’s been so late. Make it another time?
-I don’t know ________ I can do it if not now.
A.howB.whatC.whenD.that

答案
C
解析
考查宾语从句的引导词。根据句意可知这是一个宾语从句。I can do it结构很完整,所以只能用连接副词。结合句意可知C正确。句意:我不知道如果不是现在我什么时候可以做这件事情。
举一反三
Our teacher looked here and there on our playground ________ looking for something.
A.even thoughB.even ifC.as ifD.only if

题型:不详难度:| 查看答案
Evidence has been piled up    drinking water before breakfast is good for our health.
A.whatB.whichC.if D.that

题型:不详难度:| 查看答案
     you’ve tried it, you can’t imagine how tasty the fish I cooked is!
A.UnlessB.BecauseC.Although D.So long as

题型:不详难度:| 查看答案
My parents live in a small village. They always keep candles in the house ____ there is a power out.
A.ifB.unlessC.in caseD.so that

题型:不详难度:| 查看答案
The teacher asked the two students to discuss the question in a low voice______ they should bother the others.
A.so thatB.in caseC.in order thatD.now that

题型:不详难度:| 查看答案
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