22. 题干： 在狭水道或航道内，一船听到后船鸣放追越声号时应：

____ stand here. It＇s dangerous.

When will you leave the port? ___ February 4.

We ____ many European ports every year.

Where are the derricks? They are ___.

We have ____ blue paint.

He often teaches ___ to speak English.

Li Ming and I ____seaman.

Who ___ you? I＇m a sailor.

What ___ is today? It＇s Sunday.

Rat guard