Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works.
A. with B. by 
on D. through
You may go to the ________ if you want to watch Peking Opera.
| A．library | B．supermarket | C．theatre | D．bookshop |
People in America eat much ________.
| A．potatoes | B．onions | C．beef | D．hamburgers |
Brian is so kind that he often gives me a ________ when I'm in trouble.
| A．reply | B．seat | C．hand | D．reason |
—What do you have for breakfast?
—I often have ________ or ________.
| A．breads; noodles | B．bread; noodles | C．breads; noodle | D．bread; noodle |
My school isn't far from here. It's only ________ walk.
| A．fifteen minutes | B．fifteen minutes' | C．fifteen minute's | D．fifteen minute |