---Where is my reference book? It was here a moment ago.
---Someone ______ it by mistake.
| A．should have taken | B．must take |
| C．might take | D．must have taken |
----- What are you going to be when you grow up?
-----I want to _______.
| A．go to the sea | B．go to sea |
| C．work beyond the sea | D．go to Qindao by sea |
Would you be ______ to turn down the gas fire a little?
| A．kind enough | B．kind so as | C．kind | D．so kind |
The professor gave orders that the test _______ before 10:30.
| A．will finish | B．will be finished | C．be finished | D．shall finish |
I think ______ at the train station will surprise Aunt Kate.
| A．your being | B．you are | C．you were | D．you to be |
It was until last year that he ______.
| A．left his home town for a new start |
| B．came to realize the importance of leaving English |
| C．worked as an English teacher at a middle school |
| D．set out to build a new house of h his own |