The most important thing _______ we should pay attention to is the first thing ________ I have said.

The first textbooks written for teaching English as a foreign language _____ in the 16th century.

It is so nice to hear from her. _________, we last met more than thirty years ago.

Lei Feng was a soldier who _____ the people and Chairman Mao used to speak highly of him.

ve it or not! I should get my lost wallet backafter I left it in the taxi this morning—Couldn’t agree more! You know, someone _______ itThere are still good persons in Chongqing