He worked , but he felt .
-----Could you tell me ______ to go to Hannan by air? -----Just a minute, please. Let me have a look.
----“Have you ever been to HK, Jim?”----- “ Yes , I ______ there for two weeks with my parents last summer.”
______ interesting news he has brought us!
_____ of the land in that district ______ covered with trees and grass.
The number of the students in our school _____ than that in theirs.