I believe it’s for the reason___ he had to drop out of school and left his hometown.

It is he frequently returns home late makes his parents concerned about him.

I’ll tidy the kitchen if you don’t want to do it. But you must clean the car.—OK, it’s a(n) _____.

What’s your plan for the summer holidays—I’ll go to Beijing _________ the school term ends.

How many children have you got —Two , _______ of them are studying in the university.