I first met Mr. Smith in America. He ______ at Stanford University then.
| A．studied | B．has studied |
| C．is studying | D．was studying |
The room is empty except for a bookshelf _____ in one corner.
| A．standing | B．to stand | C．stands | D．stood |
I didn’t think I’d like the movie, but actually it _____ pretty good.
| A．has been | B．was | C．had been | D．would be |
-How far can you run without stopping?
-. I've never tried.
| A． | Don't mention it | B． | That's all right |
| C． | I have no idea | D． | Go ahead |
It was ______ cold winter night and the moon was shining brightly across ____ night sky.（）
| A． | 不填；a | B． | a; the | C． | the; a | D． | the; 不填 |
I’ve lived in New York and Chicago, but don’t like ____ of them very much.
| A．either | B．any | C．each | D．another |