题目内容

M8013是产生周期为()(1s/1min)时钟脉冲的特殊辅助继电器。

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Miss Smith's assistant enjoys ______ for her although she treats him very strictly.

A. work
B. working
C. to work
D. Worked

Have you ever heard about the meeting ______ tomorrow?

A. held
B. to be held
C. being held
D. holding

______ it was late, he was still working in the office.

A. Even though
B. As though
C. As if
Despite

We are _____ to hear the _____ story.

A. excited; exciting
B. exciting; excited
C. excited; excited
D. exciting; exciting

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