—That must have been a lot of work.
—Yeah, it us three days to finish it.
| A．takes | B．had taken | C．took | D．was taking |
Will you drop in at my house this afternoon if _________?
| A．it is convenient to you | B．you are convenient |
| C．it is convenient of you | D．you will be convenient |
A new dining room ________ in our school. It will take one and a half years to finish it.
| A．has been built | B．is being built | C．is built | D．is building |
It’s time for us to go to school, so let’s _____ the problem and discuss it later,OK?
| A．set aside | B．set up |
C．set out | D．set off |
Our English teacher is ill. Let’s go and see him after class, _____?
| A．doesn’t he | B．don’t we | C．shall we | D．will you |
It doesn’t matter to me which method you choose _____ you finish the job on time.
| A．as long as | B．if only | C．even if | D．as soon as |