问题描述：
几道英语的词汇题
1.There was a big hole in the road which_____the traffic.
A.set back B.stood back C.held up D.kept down
2.The_____stuck on the envelope says“By air”
A.diagram B.label C.signal D.mark
3.Eye contact is inportant because wrong contact may create a communication______
A.tragedy B.vacuum C.question D.barrier
1.There was a big hole in the road which_____the traffic.
A.set back B.stood back C.held up D.kept down
2.The_____stuck on the envelope says“By air”
A.diagram B.label C.signal D.mark
3.Eye contact is inportant because wrong contact may create a communication______
A.tragedy B.vacuum C.question D.barrier
问题解答：
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