___you go across the road,you must be careful
题目
___you go across the road,you must be careful
a.since b.after c.when d.before
They won't be back home until the work___
a.was done b.will be done c.is done d.had been done
Olive was so busy___a novel that he ___to have dinner
a.reading,forgets b.to read,forgets
c.to read,forget d.reading,forgot
They set out__for the___boy
a.searching ,losing b.searching,lost
c.to search,lost d.to search,missed
She ___the book and wanted to find the answer.
a.looked through b.looked over c.looked at
Please___before you decide___to do it.
a.think it about,what b.think it over,how
c.think it about,how d.think it of,what
答案
c/c/d/c/a/b第一题:_When_you go across the road,you must be careful a.since b.after c.when d.before 选 C ,When.A since 是“自从...后”的意思,以since开头的状语从句后面的主句一般都是现在完成时.如:Since...
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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