The passage mainly discussesA．the reason for the sea cucumber"s name.B．what makes the sea

What is the passage mainly about？

Paragraph 3 mainly discussesA．why the children and their parents were interviewed.B．when t

The passage is mainly about_______.A. the importa

What is the main idea of the passage？A．American f

According to the passage the main problem about

The passage mainly discussesA．how lifetime employ