It took me five hours to do the homework.
例如我花了五小時作功課就是。
At home, not now, do the homework we've done in class.
不是現在，在家里，完成我們課上做的作業。
David told his son to do the homework.
大衛要他的兒子去做作業。
He asked me how to do the homework.
他問我怎么做作業。
You do the homework only half.
你做的作業只有一半。