I_______ my homework when the door bell__________.
#39940
A
did, rang
B
was doing, was ringing
C
did, was ring
D
was doing, rang
推荐题目
----- Did you go to Sam's weekend party? ----- No, I ______________.
#38368
A
am not invited
B
wasn't invited
C
haven't invited
D
didn't invite
Do you know what in the room at the moment?
#40168
A
they were doing
B
were they doing
C
they are doing
D
are they doing
More than 20 people ________ in traffic accidents ________ last week.
#37454
A
died; for
B
have been dead; since
C
have died; for
D
have been dead, for
There serious air pollution if people use more and more cars.
#36558
A
has
B
will be
C
will have
D
are going to be