Have you ever been to Mount Huangshan, _____ is famous for its towering pine forests and "sea of clouds"?
| A．which | B．where | C．that | D．what |
一I still cannot figure out why he missed his flight．
一Hean accident on the way to the airport．
| A．could have had | B．should have had |
| C．would haye had | D．must have had |
Mr．Smith is a good teacher except that hesome of his students by criticizing tbem whenever they make a mistake．
| A．puts down | B．puts up | C．put s off | D．puts away |
Modern technology has brought us so much convenience--we can now do many things
Throughwe call the Internet．
| A．how | B．what | C．which | D．that |
You can’t go out since you haven’t finished your homework；，it is a stormy night．
| A．anyhow | B．meanwhile | C．therefore | D．besides |
The man，so badly，almost lost his memory and was even driven mad．
| A．to have been disturbed | B．having been disturbed |
| C．to be disturbed | D．being disturbed |