Clean-Up Day is coming. How to let more people know it?We could ______ advertisements(广告)after school.
You can’t watch TV you finish your homework.
-There is still a copy of this book in the library. Will you go and borrow _________? --No, I will buy in 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.