用形容词或副词的适当形式填空：Thisis____(big)pearonthetree.Hehasfivebooks,butIhave______(many)thanhim.Tomworks_______(careful)thananyotherboy.LiuTaoisnotas_____(strong)asBill.Davidis__

　　用形容词或副词的适当形式填空：

　　This is ____(big) pear on the tree.

　　He has five books, but I have______(many) than him.

　　Tom works_______(careful) than any other boy.

　　Liu Tao is not as_____(strong) as Bill.

　　David is_____(tall) in his class.

　　Chemistry is_________(diffi-cult) than physics.

　　My brother is one year____(old)then I.

　　i find Alice is _________(clever) of the three girls.

　　Tony is______(thin) than Jim.

　　Tonday is_______(hot) than itwas yes-terday.