________ she is not so cheerful ________ she used to be?
#79672
A
How it is that；as
B
How is it that；as
C
Is it why；that
D
Why is it that；what
推荐题目
____under the tree was a charming girl aged about seventeen or eighteen.
#80191
A
Sat
B
Sitting
C
To sit
D
Sit
Not until the press reported the pollution _________ why the water supply had been cut off.
#81622
A
people did know
B
people had known
C
did people know
D
had people known
_________, he is still as modest as before, which always moves all the people who know him.
#83205
A
As he is a scientist
B
A scientist as he is
C
Scientist as he is
D
As is he a scientist
Only after the woman had her own child ________ how difficult it was to be a mother.
#80818
A
she realized
B
had she realized
C
she had realized
D
did she realize
Not until his father died _______ what his father really meant.
#80821
A
do they realize
B
did they realize
C
realized they
D
had they realized