The cells of humans, especially _____of the brain, can live only minutes without circulating blood.
#15399
A
that
B
ones
C
it
D
those
推荐题目
It was impolite of him ____without ____good－bye
#15527
A
to leave; saying
B
leaving; to say
C
to leave; to say
D
leaving; saying
Please keep______ secret that he’ s decided to give up his present position.
#16200
A
one
B
it
C
this
D
that
–Mom, I will send you a gift for your birthday, ____ beyond your imagination.--Oh, dear, thanks.
#15405
A
which
B
what
C
the one
D
something
-Which of those ties do you like best? -_______ They are all too expensive and don't go well with my new suit.
#14824
A
Either
B
None
C
All
D
Neither