题目内容

When you called me this morning, I _____ the newspaper.

A. read
B. was reading
C. reads
D. have read

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The reason _____ he failed the exam was _____ he had not worked hard.

A. why……if
B. why……that
C. that……why
D. why……what

命令A>CD TEST的执行结果是()

A. 查询TEST子目录
B. 进入TEST子目录
C. 建立批文件TEST.BAT
D. 建立新的子目录TEST

The person _____ you were talking to was an American.

A. who
B. whom
C. which
D. as

阿司匹林在保存时颜色加深的主要原因是什么?

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