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.