It’s difficult to ___ these old books for some of them ______ none of the classification.
| A．look for; are belonging to | B．put up; belong |
| C．sort out; belong to | D．pick up; are belonged to |
They agreed to the plan which _____.
A sounded good one B is a good one C sounded good D is good sounds
I’m sorry I _______ your lecture yesterday, but I _____ busy recently.
A missed, have been B miss, am C had missed, was D have missed, had been
If he _______, don’t interrupt him.
| A．still works | B．is still working |
| C．still had been working | D．will still be working |
I’ve bought an English dictionary which you can ____ if you meet new words.
A get to B come to C refer to D look up
Susan, ______ university student from Europe, teaches me ______ art in her spare time.
| A．an; 不填 | B．a; the | C．a; 不填 | D．an; the |