题目内容：

She works hard ;it's very r for her to miss a day at school.
He i all the "no smoking" signs and lit up a cigarette.
We regret this service is t unavailable.Please come tomorrow.
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优质解答

She works hard ;it's very rare for her to miss a day at school.He ignored all the "no smoking" signs and lit up a cigarette.We regret this service is today unavailable.Please come tomorrow.不知道对不...