The old lady’s hand shook frequently. She explained to her doctor _______this shaking had began half a year before, and ______, only because of this, she had to give up her job.
#79249
A
when; how
B
how; when
C
how; how
D
why; why
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—Tom, your father went to Hong Kong last week. Do you know         ?  — Next month.
#38566
A
when will he come back
B
when he will come back
C
where will he come back
D
where he will come back
What do you think ______solve the problem ?
#37054
A
you can do
B
can you do
C
you can do to
D
can you do to
---Could you tell me _______? ---Sorry,I have no idea. .
#38912
A
when does the History Museum open
B
when the History Museum opens
C
when did the History Museum open
D
when is the History Museum open