—Alice looks blue today.—Yes，I asked her，but she wouldn't say ______ troubled her.
#85419
A
why was it that
B
that was why
C
it was what
D
what it was that
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Could it be in the restaurant in_______ you had dinner with me yesterday ________ you left behind your keys and wallet?
#84722
A
which；which
B
which；that
C
that；where
D
where；where
（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
——I wonder _________ makes the video Gangnam Style so popular. ——The unique dance moves and funny horse riding scenes.
#84791
A
how is it that
B
what is it that
C
how it is that
D
what it is that
Is it the country _____ you studied English _____ you are going to visit next week?
#85294
A
in which; which
B
where; that
C
that; that
D
which; that