The library's study room is full of students _______ for the exam.
| A．busily prepared | B．busy preparing | C．busyly prepare | D．are busily preparing |
—Thanks a lot for your book. I found it very interesting.
—________. I’m glad you enjoyed it.
| A．All the best |
| B．It is nothing |
| C．No thanks |
| D．Very well |
________ one of you breaks the window will have to pay for it.
| A．Whoever |
| B．Whatever |
| C．Whichever |
| D．Wherever |
________ makes the book so extraordinary is the creative imagination of the writer.
| A．That |
| B．What |
| C．Who |
| D．Which |
No one ________ the building without the permission of the policeman.
| A．is leaving |
| B．is to leave |
| C．has left |
| D．will be leaving |
We usually take turns ________ some cleaning, and today it is my turn ________ it.
| A．to do; doing |
| B．do; do |
| C．done; doing |
| D．to do; to do |