Professor Smith, along with his assistants,______ on the project day and night to meet the deadline.
#86316
A
work
B
working
C
is working
D
are working
推荐题目
What are ____________?
#44150
A
this
B
it
C
these
D
that
There _________ no flowers in the garden in winter.
#43922
A
may have
B
maybe
C
may
D
may be
My room ________very big, but I like it very much.
#44303
A
is
B
isn’t
C
are
D
aren’t