The pair of shoes  __________ worn out.
#86117
A
was
B
were
C
havebeen
D
hadbeen
推荐题目
Two and four _____six. 
#44006
A
is
B
am
C
are
D
\
 _____ New York _______ London are two of the largest cities in the world.
#86151
A
Either; or  
B
Both; and
C
Neither; nor
D
Not only; but also
_____your sister sad?
#44155
A
Are
B
Is
C
Am
D
Be