When did Mozart music?
| A．started writing | B．start write |
| C．started write | D．start writing |
I don’t think teenagers should go to bars.
| A．allow to | B．be allowed to | C．not allow to | D．be allowed |
— Do you believe there are aliens?
— I’m afraid not. I don’t think aliens in space.
| A．can find | B．can found | C．can be found | D．can be founded |
— You can’t imagine great fun chatting online is.
— Really? But it may cause you a lot of trouble.
| A．what | B．how | C．why | D．whether |
The actress is already 50, but she looks than she really is.
| A．young | B．more young | C．more younger | D．much younger |
— How do you study for a test?
—working with friends.
| A．By | B．With | C．On | D．In |