题目内容
辨认错误
They ought be carefulA whenB theyC are crossing the streetD.
They are looking forward toA getB your replyC soonD.
They plant treesA onB every sideC of the streetD.
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They tried their bestA to makeB their countryC more beautifullyD .
They talked about the students and the thingsA whichB they remembered whenC they had studiedD in the high school.