Three-fourths of the surface of the earth＿＿＿sea．
#86267
A
is
B
are
C
were
D
has been
推荐题目
A teacher and artist ______coming to speak to us about painting tomorrow afternoon.
#85672
A
is
B
are
C
was
D
were
The number of the students _______ 1200. A number of students _______absent （缺席）yesterday.
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A
are, were
B
is, were
C
is was
D
are, was