We students can _______ food and old clothes to the homeless people, and the teachers can __________ learning skills for the poor children.
_____ good time we are having!
At first, we didn’t know _______to do.
Shanghai is larger than ___________in Jiangsu.
The ______ of living areas makes wild animals become fewer than before
----How did he finish the work? ---- I hear that he did it __________