Don’t make a noise! They _______on a physics problem now.
#41516
A
will work
B
are working
C
worked
D
have worked
推荐题目
We______ to see the movie Life of Pi as soon as school is over.
#39768
A
go
B
went
C
will go
D
was going
------Shall we go out for a walk this afternoon? ------We’ll go there if it __________.
#41758
A
won’t rain
B
isn’t raining
C
don’t rain
D
doesn’t rain
---How well do you know the Opera House?--- I know the place very well. I Sydney many times.
#36766
A
have been in
B
have been to
C
have gone to
D
have arrived in