Hewasobserved________intothehouse
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解决时间 2021-01-04 11:15
- 提问者网友:鼻尖触碰
- 2021-01-03 18:43
单选题
He was observed ________ into the house and helped himself to find what he liked before the owner came back.A.to slipB.slipC.slippingD.slipped
最佳答案
- 五星知识达人网友:怙棘
- 2021-01-03 19:47
A解析本题考查observe的用法.observe sb.do sth.用于被动形式时,要加不定式符号to,即sb.be observed to do sth.B项前没有to; C、D项也都不符合这一用法.
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- 1楼网友:酒者煙囻
- 2021-01-03 21:04
你的回答很对
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