In order to improve English _____.
| A．Jenny’s father bought her a lot of tapes | B．Jenny bought a lot of tapes for herself |
| C．a lot of tapes were bought by Jenny | D．a lot of tapes were bought by Jenny’s father |
China’s Beidou global satellite navigation system will have been completed by 2020, ____ of more than 30 satellites.
| A．consisting | B．consisted | C．to consist | D．consists |
Such a fierce dog _____ that we had to wait outside before we could get into his yard.
| A．has he had | B．did he have | C．he has | D．he has had |
An independent traveler would like to struggle with maps and signs ____ he finds the way．
| A．since | B．until | C．before | D．when |
As soon as his teacher begins lecturing, he begins to doze off, not intentionally but _______.
| A．personally | B．randomly | C．habitually | D．unconditionally |
The Chinese lunar New Year usually ______ two records: the world's most watched television gala show, and its busiest telecommunications network.
| A．develops | B．witnesses | C．establishes | D．launches |