问题
选择题
We should _______ left and right when we _______ the street.[ ]
A. look; across
B. to look; across
C. look; cross
D. to look; cross
答案
答案：C
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We should _______ left and right when we _______ the street.[ ]
A. look; across
B. to look; across
C. look; cross
D. to look; cross
答案：C