Father has had the computer _________. Now it works very well.
| A．repair | B．repairing |
| C．to be repaired | D．repaired |
we were walking along the river, we heard a cry for help.
| A．While | B．Until | C．After | D．Before |
Thank you for offering me _____.
| A．so many valuable suggestions | B．so much valuable suggestion |
| C．so many valuable advices | D．so much valuable advices |
Are you ______when someone looks at you in______ ?
| A．surprised， surprise | B．surprise ，surprised |
| C．surprised， surprised | D．surprising ，surprise |
What ways can you think of _________ out the physics problem?
| A．to work | B．working | C．work | D．works |