我有三道英语的选择填空题不会做,

我有三道英语的选择填空题不会做,
① Have you ever been to Singapore ( )
A.already B.just C.too D.yet
② —Thank you for your kindness.We got the news family.
—( )
A.Right.B.All right.C.That's right.D.That's all right.
③ —Are you free tomorrow?
—No,I ( ) free the day after tomorrow.
A.going to...will B.going to be...will C.going to...willbe D.going to be...will be
理由也要说出来!