III根据要求完成下列句子.Shanghai is the biggest city in China.(改为同义句)S

III根据要求完成下列句子.
Shanghai is the biggest city in China.(改为同义句)
Shanghai is bigger than _____________ ______________ city in China.
2.I think the animals are interesting.（划线提问）
__________ do you ____________ the animals?
3.Collecting stamps is his favorite.(改为同义句)
He __________ collecting stamps ______________.
4.All living things need water.(改为同义句)
Water is _______________ ________________ all living things
5.We must try to protect the plants.（划线提问）
___________ ___________ we try to _____________?