Professor Smith，along with his assistants， on the project day and night to meet the deadline.
#86243
A
work
B
working
C
is working
D
are working
推荐题目
There ______ quantities of apples in the basket and there was ______ milk in the bucket.
#85783
A
were; a number of
B
was; quantities of
C
was; a good many
D
were; a quantity of
------ Why does the lake smell terrible? ------ Because large quantities of water _________.
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A
have been polluted
B
has polluted
C
have polluted
D
has been polluted
Two-thirds of the land ________ covered with green grass and the rest _______ covered with pine trees.
#85976
A
is; is
B
is; are
C
are; is
D
are; are
President Obama has two daughters, _____ able to fit in well with their citizens.
#85696
A
both of them are
B
none of them are
C
both of whom are
D
neither of who is