—As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America?
—For almost 10 years．
| A．did you study | B．have you studied |
| C．were you studying | D．have you been studying |
Long years of hard work made _____ possible for him to enter a key university in Beijing.
| A．that | B．this | C．it | D．which |
The small village has _____ a town.
| A．grown up | B．grown into | C．brought up | D．became |
I don’t have the information about SARS, but I’ll _____ later.
| A．find | B．find it | C．find out it | D．find it out |
The thought of summer suggests _____.
| A．swimming | B．to swim | C．we swim | D．that he swims |
My suggestion is that a plan for study ____ at first.
| A．will be made | B．be made | C．was made | D．be should made |