- How often are the Olympic Games held? -             four years.       
#42406
A
Every
B
Each
C
In
D
For
推荐题目
________ of the mango ________ bad and he has to throw it away.
#36266
A
Two third ; went
B
An half; went
C
Two thirds; go
D
Two thirds; goes
Thank you for ______ me about it.
#39411
A
tell
B
telling
C
tells
D
told