—We couldn’t find you anywhere around 8:00 yesterday evening.—I’m sorry for it. My mother and I_____ in the square.
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.