Professor Smith, along with his assistant, ________on the project day and night to meet the deadline.
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A
work
B
working
C
is working
D
are working
推荐题目
The blue jeans _______ 50 dollars. And that black pair of jeans _______ 60 dollars.
#43634
A
are; costs
B
are; cost
C
pay; are
D
spend; is
The police a prisoner.
#86153
A
are searched for
B
is searching after
C
are searching for
D
is searching for
The country’s population ______ small, and most of its population ______ in the mountainous areas．
#85954
A
are; lives
B
are; live
C
is; live
D
is; lives
The kid, rather than his parents, __________said to have had an accident while travelling.
#85858
A
is
B
are
C
were
D
will be