If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
#79170
A
that
B
which
C
what
D
whether
推荐题目
（2014年北京市西城区高三5月二模试题）31. A person who has never tasted bitter won’t know ______ sweet is.
#78748
A
which
B
what
C
when
D
why
— Could you tell me ____ for the meeting this morning?— Because the traffic was bad.
#38814
A
why did you come late
B
why you came late
C
why do you come late
D
why you come late
The doorbell rang, and Jim ________ the door
#38852
A
stopped open
B
stopped opening
C
stopped to open
D
stopped opened
They were _______ busy _______ with each other to remember the time.
#36540
A
enough; talking
B
enough; to talk
C
too; talking
D
too; to talk
He asked ______ for the piano.
#79194
A
did I pay how much
B
how much did I pay
C
I paid how much
D
how much I paid