We know that about seventy percent _____ the earth _____ covered by water.
#44426
A
/; is
B
of; are
C
of; is
D
about; are
推荐题目
Paul doesn’t have to be made _______ . He always works hard.
#44866
A
to learn
B
learn
C
learning
D
learns
—Our school _________ in 1876. —Wow, it has a very long history.
#44656
A
built
B
was built
C
is built
D
has built
-- What happened to Jack?-- He because of his drunk driving.
#44504
A
catches
B
caught
C
was caught
D
has caught
The old men in hospital ______________.
#44441
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of