The teacher had them -----(make\made) Easter hats for their mothers.

问题描述:

The teacher had them -----(make\made) Easter hats for their mothers.

选择make 译为:老师让他们为他们的母亲制作复活节帽子.
have sb to do sth让某人做某事 to 可以省略.
have sth done做了某事而事情是被做