—Where is Linda? —She is in her room. I can hear her_____songs. A.to sing B.singing C.sings.
-----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.