----Look,Mr.Hu is on the other side of the street. ----It____ be him.He has gone to Lanzhou.
-I often see him working hard in his spare time. -________he has won the scholarship from time to time.
________your bad work,I am forced to dismiss you.
He made an attempt to________the misunderstanding about the origin of the language.
There is not much time left and every minute ________.
________in the queue for an hour,he suddenly realized he had left the cheque at home.