He is talking so much about America as if he _____ there. 
#86450
A
has gone
B
has been
C
was
D
had been
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If they had known what was coming next, they __ their mind.
#87344
A
may change
B
could change
C
must have changed
D
might have changed
The little girl        ,but her family was too poor at that time.
#89335
A
could go to school
B
could have gone to school
C
must have gone to school 
D
can have gone to school