7. Today, the boss announced that smoking was f__________________ during office hour.

6. She wrote several letters to the government about the air pollution, but got no r_____________.

5. More often than not, it is difficult to c______________ the exact meaning of a Tang poem in English.

4. The police want those who have w____________ the accident to call them and provide them with enough evidence.

3. Bank cards are p________________ useful when travelling and there are often insurance benefits if you pay for your travel with them.

2. It suddenly o_____________ to her that she had once seen the man somewhere before.

1. The Big House of Qiao Family (乔家大院) is a perfectly p__________________ old house.