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问题: 用trap的什么形式?请帮忙选择!

A snake robot could look for people ________ under a building.
A. trapping B. trap C. trapped D. traped

解答:

trap: [ træp ]

n. 圈套,陷阱
v. 设圈套,设陷阱


词形变化:
动词过去式:trapped 过去分词:trapped 现在分词:trapping 第三人称单数:traps

例句与用法:
1. The police set a trap to catch the thief.
警察设下了捉拿窃贼的圈套。

2. By clever questioning they trapped him into making a confession.
他们用巧妙的提问诱使他招认了。

3. Some miners were trapped underground after the collapse.
塌方后,有些矿工被困在地下。
按照№3的使用方法推理出,是选C.