---Could I have a rest, Sir.? ---____________, we have little time left.
| A．Of course, you could | B．Of course, you can |
| C．Sorry, you can’t. | D．Sorry, you couldn’t |
—Will you please fly a kite with me in the park this afternoon?
—_______. I will visit my grandparents in my hometown.
| A．I think so | B．I’d like to |
| C．I’m afraid not | D．I’m afraid so |
It was ______________ music that I lost myself in it.
| A．such a beautiful | B．so beautiful a |
| C．so beautiful | D．such beautiful |
It’s not easy for trailwalkers to finish walking a__ trail within 48 hours.
| A．100-kilometre | B．100-kilometres |
| C．100 kilometres | D．100 kilometres’ |
This kind of computer ________ too much. I can’t afford one.
| A．takes | B．spends |
| C．pays | D．costs |
Luckily, all the students got out of the teaching building _ it fell down.
| A．until | B．before |
| C．since | D．While |