The country's railway system has launched online ticket-booking and a real-name ticket purchasing system, and _______ requires passengers to provide their ID numbers when buying tickets.
#15729
A
which
B
that
C
what
D
this
推荐题目
 —Would you rather come on Friday or Saturday? — _________.
#16552
A
Yes, of course
B
The other is better
C
What’s the matter
D
Either would suit me
Be quiet! I have ___________ to tell you.
#57209
A
important anything
B
anything important
C
important something
D
something important