D. ask sb. to do sth.

意为“请某人做某事”，固定搭配。

It's + adj. + to do sth. ask sb. about sth. by doing STH. What's your favorite......? The best way to do STH.

做某事的……的。向某人询问某事通过做某事你最喜爱的……是什么？做某事的最好方式。

Tell (ask) sb to do STH.

要求(吩咐)某人做某事。