When we first (hit) ________ on this idea, everyone thought that it would never work.
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They'll held a ceremony in (honourable) ________of those died in the war.
We express the (hopeful) ________ that you will recosider your decision.
He is a (humour) ________person. You'll get on with him soon.
在运动会当中 4×400米接力比赛为什么为部分分道跑,运动员需要跑完几个弯道后才能切人里道( )
A. 4个
B. 3个
C. 2个
D. 1个
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