Although the teacher had told Bob the history of telephone, Bob didn’t know when ____.
#37382
A
it was invent
B
was it invented
C
it was invented
D
it invented
推荐题目
It keeps raining these days. We doubt _______ the sports meeting will take place as planned.
#79123
A
which
B
that
C
whether
D
when
Philip has gone to New Zealand.Oh,can you tell me________?
#37828
A
when did he leave
B
when he is leaving
C
when he left
D
when is he leaving
He asked me _____.
#78992
A
whether was I born in 1986
B
that I was born in 1986
C
whether I had been born in 1986
D
if I was born in 1986
Teach children ______ electrical appliances, cords, and switches are not toys.
#79243
A
what
B
which
C
how
D
that
—I wonder _______. —By searching the Internet.
#36967
A
how you got the information
B
when you got the information
C
how did you get the information
D
where did you get the information
