what did you do yesterday evening?A.I PLAYED chess with my friend B.i am looking for my schoolbag
题目
what did you do yesterday evening?A.I PLAYED chess with my friend B.i am looking for my schoolbag
c.i like walking to school
d.i want to buy a pencli
答案
选A,因为是昨天晚上,应该用过去式.其他三个都不对.
供你参考,
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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