用所给单词的适当形式填空 1.My pencil is 15 cm.Your pencil is 18 cm.( ) is longer than ( ）．
用所给单词的适当形式填空
1.My pencil is 15 cm.Your pencil is 18 cm.( ) is longer than (　　　）．（I,you）
2.Her bag is bigger than ( ) (he)
3.Your classroom is bigger than( ) (our)