Is_____ necessary ____them to stop ________ every two hours?A.that; for; resting

Is_____ necessary ____them to stop ________ every two hours?A.that; for; resting

题型:不详难度:来源:

Is_____ necessary ____them to stop ________ every two hours?
A.that; for; restingB.that; of; to restC.it; for; to restD.it; of; resting

答案
C
解析
it is necessary for sb to do sth “对于某人来说有必要做某事”,stop to do 停下来做另一件事,stop doing停止做某事,答案C。
举一反三

It won’t be ______he______ up with others.
A.long until; will catchB.long ago; catches
C.before; catchesD.long before; catches

题型:不详难度:| 查看答案

一What did he want to know,John?
        that we could finish our work.
A.What it wasB.When was itC.When it wasD.What was it

题型:不详难度:| 查看答案
-----What do you think of the girl?
------Not only _______ hard but also_____ very charming.
A.does she work ; is sheB.she works ; she is
C.does she work ; she isD.she works ;is she

题型:不详难度:| 查看答案
________ of my sisters are experts in agriculture. Helping the farmers improve their
farming techniques _________their duty.
A.Each; areB.Both; isC.Neither; areD.None; is

题型:不详难度:| 查看答案
Our classroom is very clean. Do you know who__cleaned it﹖
A.was it thatB.it was thatC.was it who D.he was

题型:不详难度:| 查看答案
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