The old couple, ____had been admitted to university, were living a hard life.
#70118
A
both their children
B
both of whom children
C
both of whose children
D
whose their children
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Not only_______polluted but_______crowded.
#71566
A
was the city;were the streets
B
the city was;were the streets
C
was the city;the streets were
D
the city was;the streets were
We felt amazed at the use  the waste bottles.
#71625
A
they had made
B
they had made of
C
they had put
D
they had put to