____ it to clear up tomorrow .the tourists would climb to the top of the mountain to wait for the su
题目
____ it to clear up tomorrow .the tourists would climb to the top of the mountain to wait for the sun_____
A if ,to raise B were ,to rise C should ,to rise D because,raising
为什么不是B?
答案
答案就应该事B,对将来时的虚拟.
把 it to clear up 中的to去掉了,才可以选C
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
最新试题
热门考点