- How often are the Olympic Games held? -             four years.       
#42406
A
Every
B
Each
C
In
D
For
推荐题目
He works as a reporter in Kunming TV station.
#43756
A
helps
B
has a job as
C
likes to work for
D
learns from
Can you finish ____the book in about a week?
#40358
A
reading
B
read
C
to read
D
Reads