Turn off the lights when you leave the room .Don't have them __all the timeA buring B burn C burnt D burns 选哪个为什么?
问题描述：
Turn off the lights when you leave the room .Don't have them __all the time
A buring B burn C burnt D burns 选哪个为什么?
答
A have sb doing sth让某人一直做 (表示动作的持续)
have sb do sth 让某人做某事
have sb to do sth 让某人做某事(事情未发生,将要去做)