For some students, the computer serves only _____ a tool that is used to play games.
| A．of | B．in | C．as | D．to |
I would appreciate _____ , to be frank, if you can take care of my pet dog.
| A．you | B．this | C．it | D．myself |
I recognized him_________ I saw him in the crowd.
| A．now that | B．in case | C．the moment | D．if |
Had I known her name，I________.
| A．would invite her to lunch | B．would have invited her to lunch |
| C．invited her to lunch | D．could invite her to lunch |
Every year _____ money and energy is spent on environment protection.
| A．large quantities of | B．a large number of |
| C．a large quantity of | D．a plenty of |
She made it quite clear that she was no longer going to______my selfishness and moodiness.
| A．put up with | B．depend on | C．care about | D．catch up with |