It was in the lab _____ was taken charge of by Professor Zhang ______ they did the experiment .
| A．where; that | B．which; where |
| C．that; where | D．which; that |
______ he misunderstood my position on the question is obvious from his remarks.
| A．What | B．How |
| C．That | D．Which |
---Did you enjoy your holiday in Hawaii? --- Yes, but I would rather you ______ there too.
| A．went | B．had gone |
| C．should go | D．would have gone |
______ we admit that there are some problems with the new system, we believe they can be solved.
| A．Until | B．While |
| C．As | D．Unless |
The degree _______ the company is able to cope with the uncertainty of the future is worth studying.
| A．of how | B．to that |
| C．to which | D．on which |
Without professional training, you may _______ lots of bad habits when learning to play the piano.
| A．give up | B．catch up |
| C．keep up | D．pick up |