题目内容
【题目】Maybe if I______science, and not literature then, I would be able to give you more help.
A. studied B. would study
C. had studied D. was studying
【答案】C
【解析】如果我之前学习科学而不是文学的话..我想我可以帮助你更多。题意可知学科学是与过去相反 所以用if+had done。
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