There are over 58,000 rocky objects in ______ space, about 900 of which could fall down onto ______ earth.
| A．the; the | B．/; the | C．the; a | D．a; / |
—Come on, please give me some ideas about the project.
—Sorry. With so much work _____ my mind, I almost break down.
| A．filled | B．filling | C．to fill | D．being filled |
Whoever has ____ sense knows that smoking is harmful to people' s health.
| A．normal | B．general | C．ordinary | D．common |
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 |
—The government plans to build a big power station along the river bank.
— Good news! So we and the neighboring areas will get great from it.
| A．value | B．benefit | C．cost | D．profit |
The road conditions there turned out to be very good, ___ was more than we could expect.
| A．it | B．what | C．which | D．that |