用be going to 结构的适当形式填空.。

1. The students  _____ (have) a basketball match tomorrow.

2. _____ you  _____ (be) a computer programmer when you grow up?

3. My father  _____ (learn) a foreign language.

4. There  _____ (be) a football match this evening.

5. When and where  _____ they  _____ (take) acting lessons?

下列（）可燃液体的采样，宜采用循环密闭采样系统。

A.甲类

B.乙类

C.丙类