Before an exam, I always ________ my notebook. 
#59227
A
look up
B
look after
C
look for
D
look through
推荐题目
 ---How much difficulty did you have________________ this problem? ---_____________. It's quite easy.
#53487
A
to solve, Nothing
B
solving; None
C
to solve, None
D
solving; Nothing
You can _______to get to the zoo.
#54515
A
take a bus
B
sit a bus
C
by bus
D
have a bus
  Many suggestions ________ at yesterday’s meeting . However , neither the manager nor the engineers could ________ good solutions to the problems.
#57925
A
came up with ; come up
B
came up ; come up with
C
were come up ; come up with
D
were come up with ; come up