It is difficult for ____ (they) to finish the work without any help
题目
It is difficult for ____ (they) to finish the work without any help
The Luck Fairy ___(appear) at last
Please help _____ (you) to make a cake ,will you?
答案
them 宾格
appeared 出现的过去式
yourself 自己做
请及时采纳,多谢!
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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