—Are you going to the party?
—No, because I ________.
| A．have asked | B．haven't asked |
| C．have been asked | D．haven't been asked |
A smile costs _________, but gives so much. So we should learn to smile.
| A．something | B．anything |
| C．nothing | D．everything |
My mother often tells me ______ the teachers carefully
| A．listen | B．listen to |
| C．to listen | D．to listen to |
Look, Jim _______ football on the playground.
| A．plays | B．was playing | C．play | D．is playing |
---Why did you laugh just now?
---Ted wanted to tell us _____ very funny story, but he forgot ______ ending himself.
| A．a , an | B．the , the |
| C．The , a | D．a , the |
It’s too dangerous to cross the road _____
| A．easily | B．carefully |
| C．quietly | D．carelessly |