(1)Tom _______(missing) the good chance togoto the USA beacu

(1)Tom _______(missing) the good chance togoto the USA beacuse of his ilness last week要答案和理由
(2)When New Year's Day comes,prople like to_______(decoration)their flats beautifully
(3)-----Must I get up early tomorrow,Dad?
-----No,you ______.Tomorrow is Sunday.
A.can't B.mustn't C.needn't D.couldn't
这三题都要理由哦