Scientists study ___________ human brains work to make computer.
#31794
A
when
B
how
C
that
D
whether
推荐题目
________ in his book, he didn't notice me ________ I entered the room.
#29957
A
Devoted; when
B
Absorbed; while
C
Absorbed; when
D
Devoted; while
—Can’t you stay a little longer? I really want to talk more with you,—Me, too. I have to get home before 10 at night.
#32581
A
But
B
Since
C
And
D
For
I was doing my homework in my bedroom _______the light went out. I did it with a candle on.
#30979
A
which
B
while
C
when
D
where
______ I accept that he is not perfect, I do actually like the person.
#33714
A
While
B
Since
C
Before
D
Unless