问题补充:
If you are in trouble, you can help from the policeman.
A. look over
B. ask for
C. check
D. think about
答案:
A. look over
(答案→)B. ask for
C. check
D. think about
解析:
试题分析: 句意:如果你有困难,你可以求助于警察。 look over检查,ask for请求,check检查,think about考虑。根据If you are in trouble如果你有困难,可知是有困难找警察,故选B.