單項(xiàng)選擇題

It is dangerous to（）in present position.

A.remain
B.remaining
C.be remaining
D.be remained

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單項(xiàng)選擇題

Ice situation expected to（）in your position.

A.deteriorate
B.bad
C.heavy
D.serous

單項(xiàng)選擇題

I will wait for Utopia（）before getting underway.

A.clear
B.to clear
C.clearing
D.cleared