B:Besides Chinese, I can speak English and French.

A:You mean you can read and write both of them?

B:No,I can only carry on a simple conversation in French.

A:Can you read and write English well?

B:Do you speak the language well enough to communicate with people of English-speaking  contries?

A:I think so. I used to be an interpreter.

B:Do you think your English is good enough to do desk work?

A:The amount of English I know enables me to do general desk work.I believe what I know  is sufficient to work in an American firm.