How often do you have science classes?可不可以说成How often science classes do you have a week?
题目
How often do you have science classes?可不可以说成How often science classes do you have a week?
有同学这样说不知可不可以
答案
不可以.
应该这样说:
how often do you have science classes in a week?
often后面不能跟名词!
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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