问题

Hi, Jack!—Hi, Eric! You ________ really quiet, but now you arevery outgoing.

A:used to
B:use to
C:考点：used to do 句型用法
D:use to be

正确答案是：

同类题型

The socks are so ______ that they can’t be mended any more.

At the end of the road, you can see my new house______ a window ______.

In fact, more and more people ____ to live a greener, healthier and more environmentally “green life”

s a journey _____with hardships, joys andspecial moments

Drugs have done great harm to some people and their families.—-Quite true, so we should ________ them.