I wonder how long it will take you_____ such a hard task within so little time.
| A．complete | B．to complete | C．completing | D．completed |
He is always travelling all over the world, which broadens his _______．
| A．horizons | B．altitudes | C．similarities | D．routes |
If you_______ my advice last month, you wouldn’t have lost his job．
| A．followed | B．should follow | C．had followed | D．would follow |
Mr.Smith is the only one of those foreigners who ______ in China．
| A．work | B．is working | C．are working | D．had working |
----Why didn’t you go to the concert ?
-----I ____a game between two American basketball teams
| A．watched | B．had watched |
| C．was watching | D．had been watching |
________see the children before they went to bed, he came home early
| A．So as to | B．In order to | C．So that | D．In order that |