根据句意和首字母提示填入所缺单词。

1. －What time (几点) is it?

   －Sorry, I don't have a w_____.

2.  It's an English and Chinese d_____.

3. －My pen is l_____.

    －Don't worry (别担心). Let me help you

4.  How d_____ you spell it?

5.  P_____ call Mary.

平时无人工作的气体灭火防护区，其延迟喷射的时间要求可（）喷射。

A、延迟10s

B、延迟30s

C、延迟60s

D、无延迟