As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
| A．do they | B．don’t they |
| C．don’t you | D．isn’t it |
Believe it or not, there are a number of words in the English language which were French in __________.
| A．demand | B．principle | C． theory | D． origin |
Please __________ me for my rudeness. I really do not know the custom here.
| A． forgive | B．comfort | C．challenge | D．engage |
In 2002, the Chinese government ______ a law stating whoever deserts girl babies would be punished by law.
| A．distributed | B．favored | C．declared | D．resigned |
On the annual International Volunteers Day, the world ______ the work of millions of people who give their time to help others．
| A．abolishes | B．assesses | C．accompanies | D．acknowledges |
Just as the clothes a person wears, the food he eats and the friends with whom he spends his time, his house ______ his personality.
| A．conducts | B．reflects | C．witnesses | D．governs |