--- I hear Robert has gone to Harvard University for his master’s degree.
--- Oh, how nice! Do you know when he ____?
| A．was leaving | B．left | C．had left | D．has left |
—What do you think of Sam, the newcomer? —Well, he talks as if he ________ everything.
| A．had known | B．has known | C．knew | D．will know |
A great number of visitors __________ attracted to my hometown, and the number of foreigners there _______ quite large.
| A．are; are | B．are; is | C．is; are | D．is; is |
Kathy told me that all the doors and windows _______ when she arrived this morning.
| A．have cleaned | B．have been cleaned |
C．had cleaned | D．had been cleaned |
The woman, ____ eyes were filled with tears, expressed her thanks to the soldier who saved her son.
| A．whom | B．whose | C．of whom | D．for whose |
He used to be _____ shy but now he can talk freely to anyone he meets.
| A．extremely | B．nearly | C．actually | D．briefly |