If you have a toothache（牙疼）, you should see a .
| A．dentist | B．cook | C．teacher | D．nurse |
—You’d better ______ work too hard like this.
—I see. You mean working too hard makes one tired and ill.
| A．not | B．not to | C．don’t | D．won’t |
My father gave up _________.
| A．smoke | B．to smoke | C．smoking | D．smokes |
The man with sunglasses in a loud __________.
| A．voice | B．noise | C．sound | D．voices |
Lin looked at _______ passengers for help.
| A．the others | B．the other | C．others | D．another |
The boy was _________ jeans and a very smart jacket.
| A．put on | B．wear | C．wearing | D．dressing |