下列各项中加点字活用类型与其他三项不同的一项是（ ）

42You’d better start it right away ______ you forget it

The new windows need washing. -Well, let’s wash them together,_____?[ ]

What will you do if no news _____ from your sister tomorrow?— I will go to her house myself. [ ]

Li Ming can sing English songs _____.