— Whose shoes are these?
— They ____ be Mike’s. They are much too large for him.
| A．might | B．may | C．mustn’t | D．can’t |
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 |
—How are you going to the train station to meet your aunt?
—I'm going there ______ my car.
| A．by | B．in | C．to | D．On |