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Professor Li,along with his assistant,_____ on the project day and night to meet the deadline.
A work B working C is working D was working
这题选什么?
为什么是这样
人气:235 ℃ 时间:2020-09-22 07:13:04
解答
C is working 正在日以继夜的工作,along with his assistant,是插入语,不应被视为主语一部分,主语只是李教授,是单数,A是一般状态,且是复数,D是过去正在进行
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