A number of students ________ in the dining hall.– Let me count. The number of the students ________ about 400.

The teacher _____ that the pupils finish their compositions at once.

I can’t bear the air pollution in this city anymore. It is getting worse and worse.— ________! We’ve never had so many chemical factories before.

Wu Dong was ____ tired that he couldn’tkeep his eyes____.

Mike’s bike didn’t work yesterday, so he didn’t go there with his deskmate. –He _________ mine. I wasn’t using it then.