高二英语单选1.He is very good at maths.But_____,he failed last exa

高二英语单选
1.He is very good at maths.But_____,he failed last exam.
A.surprisedly B.surprising C.to everyone's greatly surprised
D.to everyone's great surprise
2.Before you leave,you must keep the boat____to the tree over there.
A.tying B.tied C.being tied D.to be tied
3.Everyone is supposed to follow these rules,and you are no_____.
A.except B.special C.exception D.different