问题

They thought __________ important to look right and left when ________ the road.
A:it’s; cross
B:it; to cross
C:it; crossing
D:it was; to cross;
B:it; to cross
C:it; crossing
D:it was; to cross;
正确答案是:
同类题型
I will give the message to him __________hecomes back.
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I don’t think he could have finished his work last night, ________?[ ]
I told him what I wassurprised____________ his attitude towards his study.