—Which one of these do you want?
—________. Either will be OK.
| A．No problem | B．I’m sure |
| C．Come on | D．I don’t mind |
The boy always makes _______ cry.
A. she B. her C. hers
Tea was invented by _______ accident.
A. an B. the C. ＼
Haze weather has become common in some major cities in China. We all wonder ________.
| A．how is the air polluted |
| B．what can we do with the bad weather |
| C．why the air is polluted seriously |
| D．what are the real reasons |
---Bob, when can we watch TV?
---Not until it _______ next week.
| A．repairs | B．will be repaired |
| C．is repaired | D．will repair |
Time is the thing _____ never comes back. We should make full use of it.
| A．who | B．that | C．what | D．when |