---You are late again. The class ________ for five minutes. ---Sorry. There is something wrong with my bike.
Look! There are some birds _______ in the sky. They are very beautiful.
You’d better _______ the test paper before handing it in.
Nancy, sweep the classroom, _______?
The dog _______ played with you just now is _______.
Three million _______ a large number. You can make it _______.