--Do you mind my sitting here?--____.
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你能帮帮他们吗
1.we will keep i our English so that we can pass the exam.
1年前
有机物A只含C、H、O三种元素,相对分子质量为118,在酸性条件下,lmolA水解得到2molB和lmol乙二醇.B能发
1年前
已知:如图,在三角形ABC中,AB=AC,角A=36度,BE是角ABC平分线,设AB=a,BC=b求CE=ab/a+b
1年前
Li lei told me he did well in the final exam.同义句
1年前
高中英语I was wondering that I could do something for the projec
1年前