The first thing ________ we should do is to master the basic grammar. A. which B. that C. as D. of w...
2023-02-06 12:18:02 145次 20102011学年度广东梅县东山中学高一第一学期期末英语卷2 单选选择 反馈错误 加入收藏 正确率 : 100%
题目内容：
The first thing ________ we should do is to
master the basic grammar.
A. which B. that
C. as D. of which
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