Harry and his brother promised to work harder, .
| A．do they | B．don’t they | C．did they | D．didn’t they |
It took me quite a long time to develop a voice, and _______ I have it, I am not going to be silent.
| A．now that | B．unless | C．so that | D．although |
With Chang'e-3 successfully landing, China becomes the third country in the world that _______ on the moon.
| A．lands | B．has landed | C．landed | D．was landing |
People Who Moved China, hosted by CCTV, honors the people _______ the valuable contributions should be remembered by every Chinese.
| A．whose | B．of whom | C．that | D．of which |
—I’m sorry I stepped on your foot; it was an accident.
—It wasn’t! You did it ______________ .
| A．as usual | B．on purpose | C．at an end | D．right away |
How I wish we could study _________ there are fewer exams！
| A．which | B．that | C．when | D．where |