Kate knew nothing _______ her mother told her.
| A．because | B．until | C．since | D．if |
Look at the skirt. I bought it for my daughter ______ Children’s Day.
| A．in | B．on | C．at | D．to |
-- I haven’t seen your sister for a long time. – She _______ Beijing on business for a month.
| A．went to | B．has gone to |
| C．has been to | D．has been in |
-- Let’s go dancing tonight.—Sorry, I ______. I have to go to a meeting.
| A．mustn’t | B．may not |
| C．needn’t | D．can’t |
-- Are you feeling ______ now?
-- Yes, the medicine works. Thank you.
| A．worse | B．better |
| C．bad | D．good |
This is an empty bottle. Could you give me ______ full one?
| A．a | B．an |
| C．the | D．/ |