This is the first time that I _____ such_爱下问搜题

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问题选择题

This is the first time that I _____ such an interesting film. [ ]

A. saw

B. see

C. have seen

D. had seen

答案

答案：C

计算题

先化简，再求值：5（a²b﹣ab²）﹣2（3ab²﹣a²b），其中a=﹣1，b=2．

判断题

欧阳修是宋代词史上第一个主动向民歌学习的作家。