China Business Daily reported the 60% discounts on some Beijing-shanghai flights have now slipped back to 20% _______ one day in advance.
#81508
A
when books
B
when to book
C
when booking
D
when booked
推荐题目
No sooner____ on my comfortable bed______ my telephone rang.
#84472
A
had I lain, than
B
I had lain, than
C
had I lain, when
D
did I lain , when
(2013·安徽重点中学一模)Not only ________ to turn off the lights in the kitchen, but we also failed to lock the front door.
#79798
A
we forgot
B
forgot we
C
did we forget
D
we did forget
--How much do you know about the 3D film technology?--A little. Not until ____the hot movie Avatar ____some about it.
#81713
A
did I see ,did I begin to learn
B
I saw, I began to learn
C
I saw, did I begin to learn
D
did I see, I began to learn