she dropped the handkerchief as she
题目
she dropped the handkerchief as she
1 This is what I ___ (mean)._____ (you understand)me?
2 Years ago,he ___ (smoke)but he ___(not smoke)anymore.
3 She___(drop)her handkerchief as she ____(cross)the road.
用正确的动词形式填空
答案
mean Do you understand
smoked didn't smoke
dropped crossed
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．
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