________ is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.
#67127
A
Which
B
What
C
As
D
That
推荐题目
All of us don’t believe the fact__ our best student failed in the competition.
#68722
A
that
B
which
C
when
D
why
Can you lend me the book ______the other day?
#73763
A
about which you talked
B
which you talked
C
about that you talked
D
that you talked
Is it true ______ the rain stops , it will be as hot as in the summer here?
#72348
A
when
B
that when
C
whenever
D
that