---How often are the Olympic Games held?  ---_____four years.
#49404
A
Every
B
Each
C
In
D
For
推荐题目
 Look _______ the girl. She looks _______ her sister.
#46793
A
at, at
B
like, like
C
after, like
D
at, like
Good luck _________you_________ your English test.
#51024
A
on; with
B
to; with
C
with; to
D
with; on
Simon does the show _________ the clothes _______ the 1980s.
#49232
A
on, from
B
on, are from
C
in, from
D
in, are from