In our school library there _____a number of books on science, and in these years the number of them ____growing larger and larger.
—Shall we go sailing in the sea tomorrow?—______ It’s reported that there will be a hurricane(飓风) tomorrow.
There are many trees and flowers on ________side of the street.
Detective Wang, please trust me, I have ______to do with this case..
Our Chinese teacher encouraged us _______ up even if we made a serious mistake in our writing work.
A Wechat(微信) is an invention ______ can help people talk to friends , share photos, ideas and feelings freely.