摘要：A notice was placed by the river bank warning people to the thin ice. A.keep off B.keep out C.keep away D.keep on
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A notice was placed by the river bank warning people to ___________ the thin ice.
- A.keep off
- B.keep out
- C.keep away
- D.keep on
A notice was placed by the river bank warning people to ___________ the thin ice.
A. keep off B. keep out C. keep away D. keep on
查看习题详情和答案>>A notice was placed by the river bank warning people to ________ the thin ice．
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A．keep off
B．keep out
C．keep away
D．keep on