Tom would buy that bicycle but he ______no money.A.had B.has C.had had D.has had
题目
Tom would buy that bicycle but he ______no money.A.had B.has C.had had D.has had
前面用了would do ,不就是对现在的虚拟吗?从句应该用过去时吗?
答案
B 对现在的虚拟,但是后半句不是虚拟的情况,而是现在的事实,用现在时.
虚拟应为:...if he had money.
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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