—Do you have any idea what your former boss would say about you?
—I don't know，________.
| A．so do I care | B．so I don't care |
| C．nor I don't care | D．nor do I care |
--I am sure Mary will win the first place in the coming competition.
--I think so. She ________ for it for months.
| A．has prepared | B．has been preparing |
| C．had prepared | D．prepared |
There is _____ Liu Chang in our class, but I’m afraid he isn’t ____ one you want.
| A．the, a | B．a, the |
| C．a, / | D．the, the |
The factory used 65% of the raw materials, the rest of which _________ saved for other purposes.
| A．is | B．are | C．was | D．were |
We won’t start the work until all the preparations __________.
| A．are being made | B．will be made |
| C．have been made | D．had been made |
I think _______ music may clear your mind and reduce pressure.
| A．listen to | B．listening to |
| C．listened to | D．listens to |