We know _____America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.
#30874
A
不填；不填
B
that ; that
C
that ; 不填
D
不填；which
推荐题目
The soldiers soon reached _____ was once an old temple _____ the villagers used as a school.
#34304
A
which; where
B
what; which
C
where; which;
D
what; where
—My son is addicted to computer games. He is hopeless, isn't he?—Yes, _____ he is determined to give up and start all over.
#31438
A
if
B
when
C
even if
D
unless
—Won't you go shopping with your mother?—No.________ she promises to buy me a new sweater.
#31492
A
Now that
B
If only
C
As though
D
Unless
I had just gone to bed after a tiring day the phone rang loud enough to wake up the dead.
#33186
A
as
B
when
C
after
D
while