-I didn’t go to the art show, because I lost my ticket. -You  have borrowed mine. I didn’t go to see it anyway.
#87264
A
might
B
need
C
could
D
must
推荐题目
—Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I can do it myself.
#86356
A
mustn't have done
B
wouldn't have done
C
mightn't have done
D
haven't got to do
While watching television, __________.
#90451
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings