Look, the set of keys  _         _  on the teacher's desk.
#52162
A
are
B
were
C
is
D
was
推荐题目
I can’t hear the news. Would you mind ________ the TV? 
#55785
A
turn down
B
turn up
C
turning up
D
turning down
--- Where is Mary?--- She ____ to Harbin.
#54109
A
has been
B
has gone
C
had been
D
goes
Taiwan ______ the Treasure Island of China.
#53267
A
is famous for
B
is known for
C
is regarded as
D
is regarded for
All parents should _______ better with their children.
#58907
A
1earn
B
exercise
C
communicate
D
work