Who was the last student ___the classroom yesterday afternoon?
题目
Who was the last student ___the classroom yesterday afternoon?
A to leave
B leave
C leaving
D left
答案
Who was the last student ___the classroom yesterday afternoon?
选A
【the first/last to do sth】第一个/最后一个作..的人
用的是不定式,是固定用法
有不会的可以再问我
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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