题目

用方框中所给的单词填空,每词限用一次。 this, those, my, your, his, hers, mine, it, they, aren't （1） —Is this pencil?—Yes, it is. （2） These photos aren't mine. They are . （3） —Are these your parents?—Yes, are. （4） The green rulers mine. They're Tom's. （5） —Is this his phone number?—Yes, it's . （6） —Is that schoolbag your sister's?—Yes, is. （7） is my brother. And that's my cousin. （8） name is Jim. What about yours? （9） —Are erasers yours?—No, they你们小组共有几名同学？如果每人种4棵，可以种多少棵？