-- ________ 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
A moment, please．I’m checking if Mr. Smith _________ free tomorrow．
#42733
A
is
B
being
C
to be
D
will be
The life we were used to __________ greatly since 1992.
#41601
A
change
B
has changed
C
changing
D
have changed
Shirley ______ a book about Tibet last year, but I don’t know whether she has finished it.
#63712
A
has written
B
wrote
C
had written
D
was writing
Our teacher said that light______ faster than sound.
#38930
A
travel
B
travels
C
travelled
D
is travelling