【2012浙江衢州】There _____many students on the playground at the moment.
-There is still a copy of this book in the library. Will you go and borrow _________? --No, I will buyin the bookstore.
If we try our best, our dream will one day.
We don’t know _______ the meeting will be held soon.
--I’m worried about my English. -- ______ harder ________ you will catch up with your classmates.
I can’t go to the cinema with you because I _______ stay here until my mother comes back.