-- __________ you ________ your book to the library?
-- Yes. I returned it yesterday.
| A．Did, return | B．Have, returned |
| C．Will, return | D．Do, return |
—What do you think of Beihai?
—It’s great. ______ air is so fresh.
| A．A | B．An | C．The | D．/ |
Don’t worry about your English. Work hard and you’ll improve it ____.
| A．hand by hand | B．arm in arm |
| C．one by one | D．step by step |
I feel a bit tired for I saw a two ____ film last night.
| A．hour | B．hours | C．hour’s | D．hours’ |
You must go to the ________ if you want to buy vegetables.
| A．supermarket | B．library | C．theatre | D．bookshop |
My brother knows little Japanese, ______ he can’t understand the instructions of his camera.
| A．so | B．or | C．but | D．and |