There ________ lots of changes in our school in the last few years.
#44130
A
has
B
have
C
are
D
have been
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All possible means ____, but nothing can prevent the buildings ____.
#85899
A
has tried; from being pulled down
B
have tried; from pulling down
C
has been tried; from pulling down
D
have been tried; from being pulled down
John is one of the staff members who ___to be sent abroad for further study.
#86346
A
is going
B
are going
C
have been going
D
has been going.