What he said was not relevant _________ the matter in hand.

A museum was built ______ those who lost their own lives for others.

In order to be _______ for Christmas, all these gifts must be mailed immediately.

It is said that the temperature is unusual mainly _______ global warming caused by human activities.

Sometimes proper answers are not far to seek_____ food safety problem.

The job is great ________salary. It has its disadvantages，though.

Not all men are equal    each other    ability.

Today, ____ rapid transportation and communication, the whole world seems to be smaller．

Today, ____ rapid transportation and communication, the whole world seems to be smaller．

Little children should go to school to learn something. ______，they should learn how to behave well in social life.