The two sides have reached a partial agreement, but several differences still    ________ between them. 
#70861
A
happen
B
exist
C
survive
D
appear
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They didn’t know how the change had        .
#67541
A
been taken place
B
happen
C
come about
D
broke out
Facing the enemies, Liu Hulan ______ .
#65078
A
would die than give in
B
rather die than give in
C
preferred to die rather than give in
D
rather than die prefer give in