当你想问朋友能够跑得快吗，应该说：
A. I can run fast.
B. Can you run fast ?
C. Can you ride fast ?
谁的年龄最大?
A.Who is the oldest?
B.Whose is the oldest?
为下列句子选出正确的答语
( )（1）What does he look like?
( )（2）Which river is the longest in China?
( )（3）Is Lily good at tennis?
( )（4）Who swims fastest in your group?
( )（5）What is he like? 
The monkey is______than the elephant
A. bigger B. stronger C. smarter
I________Yaoyao is the tallest.
A. think B.hope C. like
Jill________harder than Betty.
A. studys B. study C. studies