单项选择，从A、B、C中选出最佳的答案。
1）______weather it is!
A.What a fine
B.How fine
C.How fine the
2）---We never know _____ he is from.
---They say he comes from Italy.
A.whom B.where C.which
3）September 10th is _____ in China.
A.Teacher's Day
B.Teachers' Day
C.Teachers Day
4）Which season do you like _____,spring or summer?
A.well B.better C.best