You can of books in the library.

In the reading room, we found her seated at a desk, her attention ____ on a novel.

What _______ you do if you _______ 5 million yuan—I’d travel around the world.

I often have hamburgers for mybreakfast.——–You’d better not. It’s bad for you_________ too much junk food.

He will come to understand your efforts sooneror later It’s just a matter of _____