She was about to leave the room       the telephone rang.

Please call my secretary to arrange a meeting this afternoon，or________it is convenient to you.                                                            

A cocnputcr can oaly do            you have inrrreled it to do .

The hip-pop singer is always drawing attention to issues that are usually ignored. That’s ____ is so great about him.

— Will you go to the museum tomorrow? — Yes, I will go _______ it’s windy.