In old China, the poor suffered from cold and hunger ________ the rich enjoyed all the good things of life.
#55524
A
as
B
when
C
while
D
therefore
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-Hurry up! The bus is coming.-Wait a minute. Don’t cross the street the traffic lights are green.
#58075
A
until
B
after
C
while
D
since
____ it was late, the students were still studying in the classroom.
#56176
A
Although
B
But
C
As long as
D
Because of