—Excuse me.Did you notice whether the No.108 Bus had gone by?—Not        I’ve been standing here.
#84321
A
as
B
when
C
since
D
while
推荐题目
 How frequently _______, the works of Shakespeare always attract many people.
#80666
A
performed
B
performing
C
being performed
D
to be performed
Only then ________how much damage had been caused. 
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A
she realized
B
she had realized
C
had she realized
D
did she realize
I failed in the last exam and only then __________ the importance of studies.
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A
I realized
B
I had realized
C
had I realized
D
did I realize
 _______he is, he seldom shows his precious coins to others.
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A
Coin-collector as  
B
As a coin-collector
C
A coin-collector as
D
Coin-collector that