Not until the motorbike looked almost new_____repairing and cleaning it.
| A．he stopped | B．did he stop | C．stopped he | D．he did stop |
Tourism, _______ it brings in money to a country, can also result in damage to the World
Heritage sites there.
| A．once | B．while | C．if | D．as |
“Judging the voice, and not the appearance” makes the show—The Voice of China ________from the numerous other reality shows in China.
| A．knock off | B．stand out | C．come across | D．get through |
—I’ve given out. I can’t run any farther.
—________, David. You can make it.
| A．No worry | B．Come on | C．No problem | D．That’s impossible |
—What do you say to a weekend in New York?
—_______.
| A．Sounds like fun | B．I think so | C．I really envy you | D．No comment |
Many provinces have been hit with smog. If _______ unsolved, the problem may lead to more serious results.
| A．having left | B．to leave | C．left | D．leaving |