The playground ____ we built last year is very large.
#73546
A
where
B
when
C
which
D
why
推荐题目
While we _________, we saw a UFO land on a street. 
#41211
A
were shopping
B
shopped
C
are shopping
D
shop
_________, I have to put it away and focus my attention on study this week.
#67712
A
However the story is amusing
B
No matter amusing is the story
C
However amusing the story is
D
No matter how the story is amusing