The palace caught fires three times in the last century,and

The palace caught fires three times in the last century,and little of the original building ______ now.
A.remains
B.is remained
C.is remaining
D.has been remained
Few of the old customs _ the war.
A.survived
B.survived from
C.survived after
D.survived in
Without electricity human life _____ quite different today.
A.is
B.will be
C.would have been
D.would be
It was already past midnight and only three young men in the tea house．
A．left
B．remained
C.delayed
D．deserted