The tasks are not easy, but they are usually ___ within 20-30minutes.
| A．accomplished |
| B．achieved |
| C．recognized |
| D．accepted |
Mr. Green didn’t understand ________made his daughter so absent-minded.
A. how that was B what was it C. why it was that D. what it was that
Class regulations state _____ is the last to leave the classroom _____ off all the lights.
| A．no matter who; should turn | B．whoever; shall turn |
| C．whomever; turns | D．whoever; turn |
----Is it the first time you _______ Beijing?
----No. But the first time I ______ here, the city wasn’t so beautiful.
| A．visited; came | B．visited; have come |
| C．have visited; have come | D．have visited; came |
The housing problems we are looking forward to seeing _______ have attracted the government’s attention.
| A．solving | B．solve | C．solved | D．to solve |
Due to the fact _______there is plenty to see, it would be better if you made a list before hand of ______exactly you want to go.
| A．what; where | B．that ; where | C．that; which | D．which; when |