--Who is the old man talking with your teacher?
---I don’t know. I him before.
| A．was never seeing | B．had never seen | C．never saw | D．wouldn’t see |
We don’t care if a hunting dog smells _____, but we really don’t want him to smell ____.
| A．well, well | B．bad, bad | C．well, badly | D．badly, bad |
The present question is ____ many students consider it impossible ____ is really possible if effort is made.
| A．what; that | B．that ; that | C．that; what | D．what; what |
Some very common things such asto the sun for a long time will do harm to people's skin and even cause skin cancer
| A．exposing | B．being exposed | C．having exposed | D．exposed |
you may have , you should gather your courage to face the challenge .
| A．However serious a problem | B．Whatever serious a problem |
| C．However a serious problem | D．No matter how a serious problem |
Looking back on the three - year life in the mountain village, Thomas it as a milestone in his personal development
| A．values | B．confirms | C．declares | D．assumes |