More and more people have a low-C life and the air is getting much ___ than a few years ago.
| A．clean | B．cleanest |
| C．cleaner | D．the cleanest |
—do you know so much about the UFO?
—I usually get the information by surfing the Internet.
| A．How | B．What |
| C．Which | D．Where |
—Which of the two T-shirts will you take?
—I’ll take. One is for my brother and the other is for myself.
| A．either | B．both |
| C．neither | D．all |
—Diaoyu Island belongs to China.
—Surely it does! We Chinese will neverit up.
| A．cut | B．fix | C．give | D．set |
It’s reported that President Xi Jinping arrivedMoscowMarch 22nd pay a three-day visit to Russia.
| A．at; on | B．in ; on |
| C．at; in | D．in; in |