题目内容
—The experiment seems difficult. Would you mind doing it for me?
—Why not do it by yourself? I show you how to do it if necessary.
A. can B. needn’t C. must D. shouldn’t
A 【解析】句意:——这个实验看上去很难,你介意帮我做吗?——为什么不自己做呢?必要时我们可以给你展示怎么做。A. can能;B. needn’t不需要;C. must必须;D. shouldn’t不应该。根据句意,故选A。
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