---I don’t know how to use this camera.---It doesn’t matter. Here is the___.
Teachers should _____ their students to practice _____ English as much as possible.
I’ve faced some difficulties, but they were nothing compared _____yours.
________ language you speak, you need to know Chinese if you work in China.
—I have never visited the Great Wall before。.—___ _________
The study of English ___________ a very important industry in China.