The ______ you study, the ______ grades you will get.
| A．harder; better | B．hard; good |
| C．harder; good | D．hard; better |
Don’t put off today’s work for tomorrow. I mean, today’s work ______ today.
| A．may do | B．must do | C．may be done | D．must be done |
I don’t know _________.
| A．what to do it | B．how to do | C．what to do | D．to do what |
The MP3 ______ too much. He ______ 200 yuan _______ it .
| A．spent, spent, on | B．cost, spent, on |
| C．paid, paid, for | D．paid, cost, in |
The art club is for members only. You can’t go in _______ you are a member.
| A．unless | B．because | C．if | D．though |
She likes doing her homework _______ the radio _______.
| A．to, with | B．on, with | C．with, on | D．with, open |