______ she stood up, she dropped the necklace.
#56104
A
As
B
While
C
Before
D
Until
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The Nanjing Yangtze River Bridge is still very strong, ___________ it is almost 43 years old.
#58225
A
although
B
but
C
so
D
because
She was ill, she still went to work and tried her best to do the work.
#56466
A
though
B
because
C
if
D
but
