---Dave, we will leave in 10 minutes. Are you ready? ---No, I         our guide book and towels yet.
#53277
A
don’t think
B
didn’t think
C
have packed
D
haven’t packed
推荐题目
 ---What _________ to the building?   ---It _________ when all the people were sleeping. 
#56521
A
has happened; was broken in
B
was happening; was broken down
C
was happened; broke into
D
happened; was broken into
It           my mother half an hour          to the shopping mall.
#58976
A
spends; walking
B
takes; to walk
C
spends; to walk
D
takes; walking
Now the computers are ________ more and more people all over the world.
#62151
A
used for
B
discovered by
C
used by
D
discovered for