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
_____ 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
The ________ meeting _______ at two o'clock in the afternoon.
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A
parent's;begin
B
parents';begin
C
parent's;begins
D
parents';begins
Neither I nor Jane and Mary tired of having one examination after another.
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A
is
B
are
C
am
D
be