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
—What did the teacher say just now?---Sorry. I didn’t catch it. I about something else.
#40093
A
think
B
will think
C
was thinking
D
thinks
There are many people downstairs. What do you think _____?
#40285
A
to happen
B
is happening
C
is happened
D
happened
---Did you visit your uncle last Sunday? ---No, I ______ to a wonderful movie with my friends.
#41609
A
go
B
didn’t go
C
went
D
did went
--- Where is Jim? --- He _________ to the museum. He hasn’t come back.
#40022
A
have been
B
have gone
C
has gone
D
has been