—______do you have an art festival in your school?— Once a year.
| A．How long | B．How often |
| C．How far | D．How soon |
Simon improved his way of study. ________, he has made great progress.
| A．As a result | B．As usual | C．In other words | D．In all |
—What colour is _______ orange ? —It's____ orange .
| A．an,an | B．the, the | C．an / | D．a, / |
---Would you like me to take you to the new park?
---__________. I’ve been there once.
| A．No, thanks | B．No problem |
| C．Yes, I think so | D．That’s very kind of you |
It is said that the meeting _______ for a week.
| A．has been ended | B．has lasted |
| C．has began | D．has been held |
--I hear this kind of CD-ROM is very popular.
--Let’s buy one before it ____________.
| A．is come out | B．comes out | C．sells out | D．is sold out |