1.Because the climate is warm and wet,rice grows well in here.
The climate
2.We don't have enough money,so we can't buy that house.
If we
3.You must finish the work on time
The work
4.''Do you get up early everyday?''
She asked
5.Get up early or you'll be late for class
If
Unless
6.We have grown some rice here.
Some rice
7.He has just given Lan that pen.
That pen
8.My father has cleaned this room.
This room
9.Some one has already told him to report for duty at 6.00
He
10.The author has written a special adition for children.
A special edition
11.My brother is repairing my piano.
My piano
12.The teacher is explaining the lesson to the children
The lesson