Harriet is lost and her parents are really________her.
A.interested in B. afraid of C. busy with d. worried about
—Would you like to play basketball with us this afternoon? — I have to study for tomorrow's test.
| A．I'd love to | B．I'm afraid not | C．Sounds good | D．No problem |
Mary isn't here at the moment. She_________ later.
| A．comes | B．came | C．has come | D．is coming |
—Can I help you?
—_. I want to buy some T-shirts for my children.
| A．Yes, please | B．No, thanks | C．It doesn't matter | D．Of course I can |
The work is too hard for him. He__________ finish it on time.
| A．can't | B．mustn't | C．shouldn't | D．needn't |