There are ________ of students in our school, but only ______ are girls.

How many students are there in your school?－_________the students in our school_________over two thousand.

Why didn’t you answer my phone last night?–I ______ on my way home.

You should read some good books and they can ___________ a new world to you.

We’ll go to the farm and help the farmers with the apple-picking if it ________ tomorrow.