Scientists study ________ human brains work to make computers.       
#78771
A
when
B
how
C
that
D
whether
推荐题目
—Jim, Do you know ________ last Sunday?—She went to the theatre with her friends.
#36515
A
where does Lucy go
B
where did Lucy go
C
where Lucy goes
D
where Lucy went
 –Mr Li, I found a watch on the playground.-You should try to find out ______.
#36381
A
whose is the watch
B
who is the owner of the watch
C
whom does the watch belong to
D
who the owner of the watch is
The surgeon suggested that he __________ at once.
#79041
A
needed operating on
B
needed operation
C
need operating on
D
need to be operated
This book will show the readers ______ can be used in other contexts.
#79095
A
how that they have observed
B
that how they have observed
C
how what they have observed
D
that they have observed