Li Lei was late (a ) and the teacher was very angry.
题目
Li Lei was late (a ) and the teacher was very angry.
Someone is _____(敲) at the door.
Our school team _____(赢)the football match last week.
The children really enjoyed _____(them ) in the park.
There isn't any ______in the bowl.
A.rice B.eggs C.noodles D.vegetable
孩子们喜欢在床上蹦跳
Children love ___ ___ ____ ___ on their beds.
What do you want to buy ______the money.
A.in B.on C.with D.about
答案
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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