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
 I’m writing to ask ______ you can do me a favor. 
#78994
A
that
B
what
C
where
D
whether
- What did she ask you just now?- She asked me             .
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A
where do I study
B
where I study
C
where did I study
D
where I studied
In the UK, a woman usually doesn’t like to be asked ____________.
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A
whether she had been married
B
what is her age
C
how much she weighs
D
where she comes from
—I know nothing about the history of the telephone. Could you tell me        ?   — Yes, in 1876
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A
who invented the telephone
B
how the telephone was invented
C
when was the telephone invented
D
when the telephone was invented
Danny did all kinds of things to make the baby ______.
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A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry