---Would you have helped her had it been possible? ---Yes, but I __________ busy with my work.
#102818
A
was
B
had been
C
have been
D
am
推荐题目
—What’s that unpleasant noise?—Oh, the road before the main gate          .
#102240
A
is repairing
B
is being repaired
C
is repaired
D
has been repaired
They are good friends and they  many happiness and sorrows together.
#103949
A
had lived through
B
live through
C
lived through
D
have lived through