---- Would you have gone shopping had it been possible? ---Yes, but I ___ busy doing my homework.       
#89576
A
was
B
were
C
had been
D
would be
推荐题目
—I visited China year. —That          interesting.
#87263
A
should have been
B
can be
C
must be
D
must have been
He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke