As long as the laws of nature ______, there will be tornadoes.
#68427
A
exist
B
are existing
C
will exist
D
existed
推荐题目
Some pictures of the river brought the days back to the day______ they swam in it.
#73249
A
when
B
that
C
who
D
where
—Do you often cook at home, Lucy? —No. It is my husband does most of the housework.
#69719
A
that
B
whom
C
what
D
which
This camera is of good quality. If it ______ break down within the first year, we would replace it with a new one.
#66991
A
would
B
might
C
could
D
should
If there ______no buying and selling of animals, there ______no killing in nature.
#41135
A
is, will be
B
will be, will be
C
is, is
D
will be, is