英语题目做一下，准确率高点哦~~~

1.Arita practises the piano very hard.She is so ____that she wants to be the best--known panist when she grows up.(ambition)
2.Jackie Chan is the leading _____in the film .(act)
3.I will ____your letter with mine(close)
4.The old lady is in hospital. She is ___ill.(serious)
5.Oh,the room is so big ,and it at _____has 400 ㎡（little）

1 ambitious

2 actor

3 close

4 seriously

5 least