Look, the set of keys  _         _  on the teacher's desk.
#52162
A
are
B
were
C
is
D
was
推荐题目
— I have trouble ______ my new computer.— Don’t worry. I will show you ______.
#56927
A
to use, how to use
B
to use, what to use
C
using, what to use it
D
using, how to use it
Would you like ____ to the cinema with me ?
#53982
A
going
B
to go
C
to going
D
go
--- How cool the iPhone5 is ! ---In our shop it_____ very well now. Get one before it________out.
#53603
A
sells; sells
B
sells; is sold
C
is sold; is sold
D
is sold; sells
We should _______/ki:p/ quiet in the library. 
#52920
A
sleep
B
help
C
keep
D
cheap