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by the way .请知道的帮下by the way 的词性作用要怎么解读这个词.可不可以词性转换. 英语

by the way(顺便说) 中的by和way是什么意思英语

1.I'd like to buy the same book_was read bY Tom yesterday.A.which B.as C.that D.BorC1.I'd like to buy the same book_was read bY To 英语

yesterday.A.w

Daniel went to school by bicycle yesterday同义句Daniel went to school by bicycle yesterday.Daniel （）（）school yesterday 英语

He didn't buy anything yesterday.怎样变为被动语态.如果变为:Anything wasn't bought by him yesterday.觉得别扭.如果变为:Nothing was bought by him yesterday.原英语

子的结构变了.怎么变好呢?T

It takes more time to go there by ship than by bus.It's ______by train of the three.(选择)A.faster B.the fastest C.fast D.much fast 英语

Tom's father flies to Beijing every year.The underlined part means "_____".Tom’s father flies to Beijing every year.The underlined par 英语

(划线部分)means _

椭圆ax+by=1(a>0,b>0)与直线x+y=1交于AB两点,M为AB中点,直线OM的斜率为2,OA⊥OB,求椭圆方程若椭圆ax+by=1(a>0,b>0)与直线x+y=1交于AB两点,M为AB的中点,直线OM的斜率为2,OA⊥OB,求椭圆方程. 数学

为什么不可以说sit down by the table?为什么不是sit down by the table,而是sit down at the table? 英语

已知方程组2x-y=-3,3x+y=8 和ax+by=2,ax-by=4同解,求ab的值数学

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