The worker is so tired that he .have a rest.

The worker is so tired that he .have a rest.".I play for a moment ""NO ,you mustn't."The boy is five years old ang he .dress himself now.You ...give up drinking for it's bad for your health.".I hand in the homewok now?""NO,you needn't."用 can,may,must,should,need 填空.都是一个空 不能重复使用单词有五题啊