(用所给单词的适当形式填空)Which is ______ (big)，the sun or the moon?

(用所给单词的适当形式填空)This question is very ______ (easy)，but that one is ______ (easy) than it．

(用所给单词的适当形式填空)Hong Kong is ______ (new) than Shanghai.

(用所给单词的适当形式填空)They can plant ______ (hundred) of trees every year．

(用所给单词的适当形式填空)There are seven ______ (million) people in Hong Kong．

写出下列形容词的比较级

1．big ______　　 2．late ______　　3．early ______　　 4．new ______　　 5．thin ______　　6．warm ______　　7．hungry ______　　8．old ______　　 9．small ______ 10．hot ______

(根据句意及首字母提示补全单词)This river is about 400 k______ long．

(根据句意及首字母提示补全单词)Hong Kong is newer t______ Shanghai，but it's smaller．

(根据句意及首字母提示补全单词)Shanghai is b______ and busier than Tianjin．

(根据句意及首字母提示补全单词)You're 14．I'm 16．I'm o______ than you．