______ until the lights have turned to green. 
#66190
A
Wait
B
To wait
C
Waiting
D
Having waited
推荐题目
 _____ for the young man to spit in the subway!
#65984
A
How bad manners it is
B
How bad manners they are
C
What bad manners they are
D
What bad manners it is
 _______ your mind and you will find the way.
#66254
A
Using
B
Use
C
If you use
D
To use
_____worried about me,Mom.I’ve grown up.
#59483
A
Don’t
B
Don’t be
C
Not
D
Not be
______ it is to have a picnic in the hills on such a nice day!
#66098
A
What a fun
B
How fun
C
What fun
D
How a fun