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 number of traffic accidents that _______ in developing countries _______ increasing.
#86033
A
happen; is
B
happens; is
C
happens; are
D
happen; are
A great number of visitors ________ attracted to my hometown, and the number of foreigners there _______ quite large.
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A
are; are
B
are; is
C
is; are
D
is; is
_____ of the students in our class _____ girls.
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A
Three fives; is
B
Three fifths; is
C
Three fifth; are
D
Three fifths; are
Only____________ of the food__________ bad. You needn’t throw all away.
#43671
A
two ninth, have gone
B
two ninths, have gone
C
two ninths, has gone
D
two ninth, has been