—He is fluent in English because he once stayed in London。
—Really ?How long ____ there ?
| A．did he live | B．has he lived | C．had he lived | D．does he live |
There are over 58, 000 rocky objects in _______ space, about 900 of which could fall down onto _______ earth.
| A．the; the | B．不填; the | C．the; 不填 | D．a; the |
– Shall we go to the concert this evening?
– _____, but I have an exam tomorrow.
| A．All right | B．No way | C．Sounds great | D．With pleasure |
No one likes a person who _____ himself more than anyone else.
| A．looks for | B．belong to | C．cares about | D．gives up |
– Have you ever been to the city before?
– No. This is the first time I _____ here.
| A．was | B．have been | C．come | D．am coming |
_____ is necessary for us to tell him about the result.
| A．That | B．This | C．It | D．What |