I'll let someone ____for you downstairs. A.wait B.waiting C.to wait D.waited

问题描述:

I'll let someone ____for you downstairs. A.wait B.waiting C.to wait D.waited

选A.
let是使役动词,后面加动词原形.someone是单三,为什么wait不加s因为let是使役动词,后面要加动词原形的,跟someone没关系。let sb. do sth.词组。让某人做某事。do代表动词原形