. ---Do you get together with your old friends?
---Yes, from time to time, but not ___ ___.
| A．normally | B．certainly | C．regularly | D．necessarily |
India’s space agency _______ its first pictures of Mars as its satellite begins work a day after entering orbit around the Red Planet.
| A．releases | B．replaces |
| C．relieves | D．Recognizes |
Yao Ming ended his career as a basketball player and officially________.
| A．retired |
| B．confirmed |
| C．divided |
| D．covered |
—Can I help you，sir?
—Yes，I bought this radio here yesterday，but it______________.
| A．didn't work |
| B．won't work |
| C．can't work |
| D．doesn't work |
There is little doubt in your mind that he is innocent，________？
| A．is there |
| B．isn't there |
| C．is he |
| D．isn't he |
Cars do cause us some health problems－in fact far more serious _______than mobile phones do.
【选项 】
| A．one |
| B．ones |
| C．it |
| D．those |