If you do,you have a great time.
what will happen if they watch a video at the party
二:1,organize(help somebody do something,用动词原形)
2.will be,用一般将来时
3,are,因为bananas是复数 4,will come; comes,第一空是将来时,
5,is not 主句是将来时,从句用一般现在时
三:1, if you don't work hard,you will not pass the exam
2, going there