do you have his new address?
题目
do you have his new address?
he______me his new address but i am afraid i _____it
A gives B gave C had given D has given ,have lost
答案
gave,have lost
give是不可持续动词,不能用过去完成.
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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