____ be careful when crossing the street!
#85481
A
Must
B
Should
C
Ought to
D
Do
推荐题目
I wonder ______ you were doing last night.
#85416
A
it was what that
B
what was it that
C
that what it was
D
what it was that
（2010·长春模拟) she is not so cheerful she used to be?
#85324
A
How is it that；as
B
Why is it that；what
C
Is it why；that
D
How it is that；as
It was with the help of the local guide ________ the mountain climber was rescued.
#84894
A
who
B
that
C
when
D
how
How time flies! It’s in two months _____we’ll say goodbye to our high school Life.
#85005
A
before
B
that
C
until
D
when