---How often are the Olympic Games held？ ---_____four years.
#49404
A
Every
B
Each
C
In
D
For
推荐题目
There are two blackboards ____the wall and two doors _____the wall.
#48700
A
in, in
B
on, on
C
in , on
D
on , in
_______ of fans have voted online ________ their favourite singers.
#49242
A
Thousand, for
B
Thousand, to
C
Thousands, to
D
Thousands, for
A terrible earthquake happened_________the afternoon of March 11th, 2011 in Japan.
#49860
A
to
B
on
C
in
D
at
All of us went to the park _______ Bob. He had to look after his sister at home.
#45923
A
beside
B
besides
C
except
D
with