题目内容
–What are the police doing?–They are running __________the robber to catch him.
A.before | B.with | C.after | D.around |
C解析:
run after 表示跟在…后面跑,故选C
run after 表示跟在…后面跑,故选C

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题目内容
–What are the police doing?A.before | B.with | C.after | D.around |