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
More than one the people heart and soul.
#85557
A
official has served
B
officials have served
C
official has served for
D
officials have served for
You should never base anything on a theory that _________ impractical in practice.
#86010
A
is proved
B
prove
C
proves
D
proved
_____ New York _______ London are two of the largest cities in the world.
#86151
A
Either; or
B
Both; and
C
Neither; nor
D
Not only; but also
