D,much
谓语是单数,所以用much
而且Much has been done to...是常用语,要记住
______has been done to improve the working conditions A,a lo
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相关问题
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（）has recently been done to improve the conditions of elemen
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（）has recently been done toimprove the condition of、、、、
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_____has recently been done to improve the taxi service,we s
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the manager has been telling the works how to improve the pr
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__has been done to improve his pronounciation,he find it dif
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The boss asked,“Has all the work been done?”
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Has____could be done been done to save the injured.A.all B.w
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------work has been done,has it?A.few B.a few C.little D.a l
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4.Little has been done is helpful to our work.
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English has improved a lot 还是English has been improved a lot