2.Tom sat(过去) under a tree and seeing his friend,---stood(B.过去)--up in no time.a.to stand b
题目
2.Tom sat(过去) under a tree and seeing his friend,---stood(B.过去)--up in no time.a.to stand b
1.how----- ----- feel to be back to school again after graduation for 20 years?
Ado you B.does that c,did you d,does it
2.Tom sat under a tree and seeing his friend,---------up in no time.
a.to stand b.standing c.stood d.would stand
3.---can i join your club,dad
---you can when you ------a bit older
a.get b.wlii get c.are getting d.will have got
4.---I'm sorry to keep you waiting .
---oh,not at all.I---------here only a few minutes.
a have been b.had been c.was d.will be
5.I need one more stamp before my collection -------
a.has completed b.completes c.has been completed d.is completed问题补充:
最好有得出答案的原因,
答案
cbaab
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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