用括号内所给单词的适当形式填空。
1.I always worry about my English exams. But (lucky) I did OK this time.
2.Look! The dog is still (1ive). Let's ask a vet (兽医) for help to save it.
3.Did you have fun ________ (learn) English in the English club last week?
4.Li Yundi and Lang Lang are both famous ________ (piano) in the world.
5.They think the cinema has the_______ (friendly) service in town.
