Mr.Lopes was much disappointed to find the bike h
题目
Mr.Lopes was much disappointed to find the bike h
e had had _____went wrong again.A.it repaired B.repaired C.repaired it D.to be repaired.
答案
B
had repaird作定语修饰bike(he had也是bike的定语)
此句句意为Mr.Lopes发现他的那量修好的自行车又坏了,很是沮丧
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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