二、学习下列形容词,选择合适的形容词补全句子

1.Their 　　　　　　　　behaviour sometimes causes fighting.  2.Jack replied with a polite but 　　　　　　“no”.  3.All the students are 　　　　　　　　about the New Year party. 4.I won’t waste any more of your 　　　　　　　time.  5.Everyone cries sometimes—it’s nothing to be 　　　　　　of. 6.He is quite 　　　　　　　that there will be no problems this time.

aggressive

firm

enthusiastic

valuable

ashamed

confident