题目内容：

1、他们靠什么谋生?
_____ do they _____ _____ ____ _____?
2、他们都希望成为职业运动员.
They all _____ _____ be _____ _____ .
3、如果我们今天举行的话,半数的同学会不来.
_____ we _____ it today,_____ the class _____ come.

优质解答

What do they make a living by?
They all want to be professional athletes.
If we have(hold) it today,half the class won't come.