While I _____________, someone ___________at the door.
| A．did my homework; knocked |
| B．do my homework; knocks |
| C．was doing my homework; knocked |
| D．was doing my homework; knocks |
The boy said no, so the monster breathed on the road and made it disappear.
| A．replied | B．refused | C．relaxed | D．regarded |
The Smiths are watching the men’s table tennis match at the moment.
| A．Mr. Smith | B．Mrs. Smith | C．The Smith family | D．Mr. Smith and his son |
He was very ill, but now he is out of danger.
| A．dangerous | B．safe | C．safely | D．in danger |
He could play the violin when he was five.
| A．at the age of five | B．five years later | C．for five years | D．five years age |
The students ought to wear school uniforms when they’re at school.
| A．are supposed to | B．are allowed to | C．would like to | D．love to |