A ship in the harbor is safe，but that’s not __________ ships are built for．
#30508
A
what
B
that
C
why
D
how
推荐题目
_________ everyone can hear the speaker, there is no _________ in turning up the radio.
#31923
A
Even if ; point
B
Now that; point
C
Now that ; need
D
Even if; need
The terrible earthquake took place early this month ______ three southern countries meet.
#31954
A
where
B
when
C
that
D
which
The boy was so tired that he fell asleep _____________ his mother could take off his clothes．
#30097
A
before
B
after
C
while
D
where
Jim came back early last night. It was not yet eight o'clock ________ he got home.
#30541
A
before
B
that
C
when
D
until