题目内容
第二部分语言知识运用
第一节 单项填空(共15小题,每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21.Some of the exercises appear to be _____ones that you have done, but after taking____second look, you will find that they are different.
A. /, the B. the, the C. the, a D. /, a
C
解析
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