从旅游产业成长与国民经济发展总体关系来说，经济发达国家通常采用的旅游产业发展模式是______。

A．超前型

B．滞后型

C．市场型

D．同步型

用所给词的正确形式填空。

1. What ______ you ______ (bring) to the picnic?

2. Everything is beginning             (grow) now.

3. Jim wants to go home, so he needs             (find) the bus stop.

4.            you            (watch) the football game tomorrow?

5.            they            (have) dumplings for supper yesterday?

6. Look! The boys             (play) football on the playground.

7. He            (not know) much about China.

8. When            your brother            (buy) the computer?

9. The farmers are all busy            (get) the rice.

10. It's very hot today, but quite           . (cloud)