He was just about to jump up when he felt something ______ near his feet.
题目
He was just about to jump up when he felt something ______ near his feet.
a.to move b.move c.moving d.moved
答案
选C feel+doing 感觉...
句意：他打算跳的时候感觉脚边有东西在动.
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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