--You speak good English.Could you tell me______?
题目
--You speak good English.Could you tell me______?
--You'd better communicate with others in English as much as possible.
A.how can I improve my English
B.how I can improve my English
C.how could I improve my English
答案
选B.
could you tell me后应该接陈述句,而不是疑问句.只有B是陈述句
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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