I’m looking after Tom today. He’s been in my house______8:00 this morning.
| A．at | B．for | C．since | D．till |
The final exam is very important. We must treat it _______.
| A．serious | B．seriously |
| C．careless | D．carelessly |
---- Have you heard of the song Little Apple?
---- Yes. It ______ every morning when aged people do square dancing downstairs.
| A．is played | B．plays |
| C．was played | D．played |
We advise parents _____ their children at home alone in order to keep them away from danger.
| A．not leave | B．not to leave |
| C．leave | D．to leave |
---- So far, Su Binglan is the only Chinese who finished the 100-meter race in less than 10 seconds.
----- ______ he runs!
| A．How slow | B．How fast |
| C．What a slow | D．What a fast |
Look! The traffic light has turned red. We _____ stop our car.
| A．can | B．can’t | C．must | D．mustn’t |