用下列几个词组造句..

He is busy doing his homework
If you go on like this you will end up in prison.
We came up with a group of tourists.
我们赶上了一群旅游者.
I must concentrate on my work now.
我现在必须集中精力工作
We took them into cleaning the classroom
He has drawn up a vacation plan.
他已拟出假期计划
He will come on time even though it rains.
即使下雨,他还是会准时来的.