As is recorded in history, silkworms were first raised in ____we now know as Hebei Province. 
#79197
A
where
B
that
C
which
D
what
推荐题目
—Could you tell me       ?—About two hours.
#38068
A
how long it takes to fly to Guilin
B
how long it took to fly to Guilin
C
how long does it take to fly to Guilin
D
how long did it take to fly to Guilin
We don’t know _______ the meeting will be held soon.
#39025
A
when
B
what
C
whether
D
since
—I hear your uncle works in Beijing. Can you tell me ________?—For 5 years.
#37365
A
when he went there
B
when he will go there
C
how soon he will come back
D
how long he has stayed there
I didn’t understand ________________ , so I raised my hand to ask him.
#39210
A
what my teacher says
B
what does my teacher say
C
what my teacher said
D
what did my teacher say
The interviewer asked Detective Lu _______________. 
#37663
A
where was the body
B
when did the Valley Town murder take place
C
that he had heard of the murder
D
how many crimes he had solved