用所给单词的适当形式填空 This pencil box is my (young) sister's

问题描述:

用所给单词的适当形式填空 This pencil box is my (young) sister's
改写句子
There are five people in my family.
There are four people in your family.(句意不变)
My family _____ ______ than your family.

第一题younger
第二题is bigger