二、词汇。
A.按要求填写适当的词:
1.—Is this box__________(你的)?—No, the red one is__________________(我的).This box is________________(他的).
2.This girl is_______________(李雷和李东的)sister. Please give__________________(他们)to her.
3.These are_________________(我的)pencil-boxes.They aren’ t_________________(你的).______________(你的)is new.
4.—Which room is_______________(你们的)?
—This one is________________(我们的).That on is___________________(他们的).