问题
选择题
_______ cars when you cross the busy street. Which of the following is not OK? [ ]
A. Watch out for
B. Look out for
C. Watch over
D. Be careful of
答案
答案：A
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_______ cars when you cross the busy street. Which of the following is not OK? [ ]
A. Watch out for
B. Look out for
C. Watch over
D. Be careful of
答案：A