填空题

These books（）(keep) in the library for a long time.

【参考答案】

have been kept

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热门试题

单项选择题

A．There’s an opening in the company.
B．The man has got some working experience.
C．The man can start his job this week.
D．The man is majoring in management.

填空题

The air is fresh here. It’s healthy to（）(breath) deeply.