—Who has made a mess in my room?
—Who else it but your naughty son?
| A．could do | B．could have done | C．should do | D．should have done |
“What you want, you ____ have it on condition that you get the best result,” said the boss.
| A．would | B．ought to | C．could | D．shall |
Take an active part in sports or other activities you enjoy ____ you can meet various kinds of people.
| A．what | B．when | C．that | D．where |
It is well-known that ____ year 2006 saw many developments in ____ science and technology, with those in the field of space science being particularly notable.
| A．/; / | B．the; / | C．the; the | D．/; the |
A writer has to ____ his imagination and experience to produce good works.
| A．draw upon | B．pick up | C．break down | D．make out |
In Chinese, the same pronunciation with different tones has different meanings. The same is ____ music.
| A．real for | B．sure of | C．real to | D．true for |