We must act now because time is _______.— Yes. Let’s start.

Our English ______ far better in a month if we try harder.

Dad, _____ is my friend , Xiao Hua. –Hello, Xiao Hua.

What about _____hiking this afternoon? –Great.I’d likewith you.

I’d like to borrow a book. Its name is “Travel around the world”. — Let me check on the computer first. Oh, it ______ that Kate has got it.