根据句意及所给中文提示或英文解释，写出句中所缺单词。

1. My neighbours are very _____ (友好的) to us.

2. Do you _____ (同意) with what I say?

3. We had a very cold _____ (冬季) last year.

4. Are you _____ (有空的) this evening? 

5. I can't _____ (买得起) to go to the 2010 World Cup.

6. The tourists had no c_____  but to wait for the next bus.

7. Tom is a _____  (a good sense of humour) boy, so everyone likes him.

《安全生产法》规定，安全生产监督人员在执行监督检查任务时，须出示有效的( )。

A．特种作业人员操作证件

B．安全技术培训证件

C．生产许可证件

D．监督执法证件