用place短语的适当形式填空。

1. A little gratitude would be ____.

2.I' m at a loss what to do next. What would you do (if you were )____ ?

3. Plastics have ____ manyother materials.

4.  We use plastics _____ many other materials.

5. While the manager was on holiday, he ___.

国家风险包括( )。

A．主权风险

B．转移风险

C．法律风险

D．投资风险

E．利率风险