___________there are many different types of food, some animals spend their lives eating only one type.
#31689
A
Since
B
Unless
C
Once
D
While
推荐题目
After _____ seemed an hour or so, we were able to enter the pavilion.
#33853
A
it
B
when
C
which
D
what
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
John’s success has nothing to do with good luck. It is years of hard work _______has made him a great scientist today.
#32544
A
that
B
when
C
which
D
why
(2013·青岛一模)You seem to have a readymade answer ________ I ask you a question.
#30429
A
whenever
B
whatever
C
whichever
D
whoever