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The men will have to wait all day the doctor works faster. [ ] A.ifB.unless C.wh

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The men will have to wait all day the doctor works faster. [ ] A.ifB.unless C.wh

The men will have to wait all day ________ the doctor works faster.

[]

A.ifB.unlessC.whetherD.that

试题答案

答案:

解析:

unless表示条件,相当于if...not,意为“除非”,符合语境。题意:除非大夫快点工作,否则这些人得等一天。