单项选择题

—You'd better （）work too hard like this.
—I see. You mean （）too hard makes one tired and ill.

A. not ; work
B. don't ; working
C. don't; to work
D. not; working

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热门试题

单项选择题I found the book I （）I （）in the teachers' room! What a happy afternoon!

A. think; have found
B. thought; had lost
C. saw ; put
D. thought ; had taken