Professor Smith, along with his assistants, _____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
______ without friends ______ the most difficult challenge for Chuck while living on the island.
#85606
A
How to survive, is
B
How does he survive, are
C
How does he survive, is
D
How to survive, are
Buying clothes a hard job because the clothes a person likes not very often fit him or her.
#85748
A
are: d0
B
is; does
C
are; does
D
is; do
This is one of the happiest days ____ spent in my life.
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A
that have ever been
B
that has never been
C
which was ever
D
that had been