Unfortunately, the computer system ________ suddenly while they were searching for some information on the Internet.
| A．broke up | B．broke down |
| C．broke away | D．broke out |
Too much drinking will do ______ to your health; you should take the doctor's advice.
| A．harm |
| B．harmful |
| C．trouble |
| D．painful |
I like these English songs and they _______ many times on the radio.
| A．taught |
| B．have taught |
| C．are taught |
| D．have been taught |
-Sorry, sir, your car isn't ready yet. It _______ in the garage.
-That's all right.
| A．is repaired |
| B．is being repaired |
| C．hasn't repaired |
| D．has been repaired |
Don't make any noise. Her mother _______ by a doctor.
| A．examined |
| B．is being examined |
| C．has been examined |
| D．is examining |
-Do you know what Lily is doing?
-She _______ in the office.
| A．may be interviewed |
| B．can be interviewed |
| C．can being interviewed |
| D．may be being interviewed |