he always asks his friend to _____ for his meal

题目

he always asks his friend to _____ for his meal
a.cost b.spend c.take d.pay
还有2题,
_____ for your turn now baby!
a.wait b.waits c.waiting d.is waiting
are you waiting for the bus,tom and john?yes,_____
a.we're b.i'm c.we are d.i am

答案

D,pay for,他总是要他的朋友帮他买单,即请客
C,wait for ,作为动词放置句子前面,作为动名词使用,故需加ing,即waiting for
C.we are,表示强调,而主语与问句保持一致