-Why was he fined? -He happened to flowers in the park. A.be seen step on B.be seen picking C.be caught to pull D.catch damaging 解析:本題考查動詞辨析以及非謂語動詞的語態(tài).根據(jù)句子的意思分析.此處應該使用被動.A項的step on作be seen的賓補時.不能用原形,C項的結(jié)構(gòu)應該為be caught doing sth.. 答案:B 【查看更多】

 

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—Why was he fined?

—He happened to ______ flowers in the park.

A.be seen step on　 B.be seen picking　 C.be caught to pull　　 D.catch damaging

 

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