题目内容

_____ what he can do. He might get a job tomorrow. He might stay out of work for weeks.

A. We didn’t know
B. He doesn’t know
C. There is no knowing
D. It was known that

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John’s bad habit is _____ without thorough understanding.

A. read
B. being read
C. to be read
D. reading

We must treasure every minute because _ time is _ forever.

A. lost; losing
B. lost; lost
C. losing; losing
D. losing; lost

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不良生活方式的控制：运动、_、健康饮食、__等。