题目内容
【题目】他们突然想到对于这个学生来说解决这个问题是多么困难。(hit/strike/occur)
【答案】It hit / struck/ occurred to them how difficult it was for the student to solve the problem.
【解析】It hit / struck/ occurred to固定句型,“突然想到”;solve the problem固定短语,“解决问题”;根据句意,用一般过去时。因此答案:It hit / struck/ occurred to them how difficult it was for the student to solve the problem.
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