Three-fourths of the surface of the earth＿＿＿sea．
#86267
A
is
B
are
C
were
D
has been
推荐题目
The number of people invited ______ fifty, but a number of them ________ absent for different reasons.
#85940
A
was, was
B
were, were
C
were, was
D
was, were
The woman always says a bad word about others. her workmates her child dislikes to make friends with her.
#44281
A
Either; or
B
Neither; nor
C
Both; and
D
Not only; but also
Every boy and every girl ______ that each day and each hour brings ______ duty.
#86212
A
know；their
B
knows；their
C
knows；its
D
know；its
. If law and order _____, neither the citizen nor his family is safe.
#86051
A
are not preserved
B
is not preserved
C
were not preserved
D
have not been preserved
________ as he was, he looked quite calm in that difficult situation.
#85999
A
A child
B
The child
C
Children
D
Child