You had better________ wine because you have to drive back home.
| A．not drink | B．don’t drink |
| C．not to drink | D．to not drink |
________ people go abroad, they have to bring their passports with them.
| A．Until | B．When |
| C．Because | D．Before |
Never visit strange websites, ________ the thieves may crack(破译)the password of your Internet account.
| A．or | B．and |
| C．but | D．so |
________ exciting music the woman is playing!
| A．How | B．What |
| C．How an | D．What an |
Jerry ________ with a stranger when I met him on the way to work yesterday.
| A．was arguing | B．would argue |
| C．argued | D．is arguing |
Before you start this task, you ________ realize its importance of doing it.
| A．may | B．can |
| C．ought to | D．would |