5He will never _______ though every means ________ tried already

While ________ to foreigners，you must try your best to make yourself ________.

The boss hopes you can do the work well with ________ money and ________ people.

ay’s college is appropriate as a setting for a society,________ itsmembers must acquire and manage knowledge from a wide variety of sources．

ones while burning firecrackers to celebrate the festival,for they contain harmful chemicals．