---         are the Winter Olympic Games held?---Every four years.
#36057
A
How far
B
How often
C
How soon
D
How long
推荐题目
---Is this _______ ruler?---No. _______ is over there.
#37046
A
her; Her
B
her; Hers
C
hers; Hers
D
hers; Her
The patients are quite________ to the nurses for their special care. 
#44045
A
kind
B
helpful
C
impolite
D
grateful
 Columbus __________ America in 1492.
#36459
A
discovered
B
looked for
C
invented
D
made
Being not far       the sea, London is famous      its fog.
#40890
A
from; with
B
from; for
C
away; with
D
away; for