—What ________ you?
—I lost my keys.
| A．happened | B．happens | C．happened to | D．happens to |
—I find it quite hard to understand this passage.
—Really? _____ there are few new words in it.
| A．because | B．so | C．though | D．but |
—How long have you _____ here?
— About four years.
| A．come | B．left |
| C．arrived | D．stayed |
Pass me _____apple, please. I want _____red one on the left.
| A．an; a | B．an; the |
| C．the; the | D．the; a |
You should eat more vegetables_____ cabbages and tomatoes; they’re all good for your health.
| A．except | B．beside | C．behind | D．besides |
Li Yundi, as the famous piano player, has to play _____ concerts and meet fans.
| A．three hundreds of | B．three hundred |
| C．hundred of | D．three hundreds |