You ___ shake hands when you meet someone for the first time in China.A. would like to B. are supposed to C. want to
—I have never visited the Great Wall before。. —___ _________
The study of English ___________ a very important industry in China.
Her husband _____ for 20 years, but she still lives lonely.
Trees can stop the sand _____ towards the rich farmland in the south.
This is the most beautiful butterfly I have _____ seen in my life..