18.I've heard him ____ about you often.a.speak b.speaks选什么,怎么分析的?
问题描述：
18.I've heard him ____ about you often.
a.speak
b.speaks
选什么,怎么分析的?
答
A
see,hear等感官动词+ 某人+（to） do something,其中to可以省略,表示经常性,重复性的动作.
see,hear等感官动词+ 某人+doing something,表示看到（听到,等等）某人正在做某事,强调动作正在进行.