Question

—I have never been to the Great wall.
—If you have an opportunity _______ there, you must take it.

A．to go

B．to going

C．going

D．go

Answer 1

A

试题分析：句意：我从来没有到过长城。——如果你有一个到那儿的机会，你一定要抓住。动词不定式做目的状语表示具体的将要进行的动作，结合语境可知选A。