_______ is the most useful invention?
#70076
A
Do you think which of these
B
Which of these do you think
C
Which of these you think
D
You think which of these
推荐题目
_____ this instrument should have put its work permit number on the box.
#73281
A
Who checked
B
Whoever inspected
C
No matter who examined
D
Those who estimates
The postman comes at 6:30 in the morning, ____ time I am usually fast asleep.
#71480
A
when
B
at which
C
which
D
that
___ nearly all behavior is learned behavior is a basic assumption of social scientists.
#72114
A
/
B
That
C
It is acceptable
D
When
The time is approaching_______we will have to leave the lonely island.
#72285
A
if
B
whether
C
that
D
when