Don’t ______ a trick on the little girl. She is very shy.
John is the only one of the students in our class that never ________ a mistake even when it is pointed out to him.
Only after leaving home ________ the true meaning of the proverb, “East or west, home is best.”
--- Why do you suggest Mount Lu? --- I believe________ beauty of nature there will make________ excellent impression on you.
-–Could you take my place and go to meet Smith? ---________. --- He is a tall man wearing short hair.
The population of Africa is ________ so rapidly as to cause great concern of the whole world.