请帮我解出来这些英语选择题,（请写出理由）
1.We felt ________ when Liu Xiang won the first prize again in the race.
A.brave B.proud C.successful D.worried
2.If you want to go to see the movie this evening,so ______ I.
A.do B.am C.will D.should
3.——I have great _____ in learning math and I'm so worried.Could you help me?
——Sure.I'd be glad to.
A.trouble B.interest C.joy D.fun
4.I can hardly hear what it is saying on TV.Would you please _______.
A.turn it up B.turn it down
C.turn it on D.turn it off
5.What a" nice day!We should go sightseeing ______ watching TV in the hotel.
A.because of B.instead of
C.together with D.out of
6.——Are you sure you can' do well in tomorrow's test,Lucy?
—— _______ .I've got everything ready.
A.It's hard to say B.I'm afraid not
C.I think so D.I hope not