-- ________ your homework yet?-- Not yet. I _______ it.
#38354
A
Have you done; am doing
B
Did you do; am doing
C
Have you done; did
D
Did you do; did
推荐题目
May 12, 2008 , a terrible earthquake happened in Wenchuan . Lots of buildings __________ , and many students lost their lives .
#37327
A
fell down
B
got down
C
sat down
D
put down
—Nice to see you．I you for a long time． —I in Beijing．I’ve just got back．
#42605
A
hadn’t seen；was
B
haven’t seen；shall be
C
haven’t seen；was
D
didn’t see；have been
—Would you like to go and see Skyfall with me tonight?—Thank you very much , but I______ it already.
#39920
A
see
B
will see
C
have seen
D
am seeing
This TV play is very interesting．Why _________ down and watch it?
#38054
A
don’t sit
B
not sit
C
not to sit
D
not sitting
They have been skating __________.
#40389
A
for three hours
B
since three hours ago
C
three hours ago
D
since three hours