—___ __must I take this medicine every day? —Three times a day.
#70492
A
How long
B
How often
C
How far
D
How
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His sister’s never been to the Summer Palace, _______?
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A
is she
B
has she
C
hasn't she
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isn't he
We can't work out the physics problem. Can you tell us ?
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A
how to do
B
what to do it
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how to do it
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what should to do
— The novel isn’t easy for Xiao Wang to read, is it? — ________. His foreign language is far better than expected.
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A
Yes,itis
B
No,itisn’t
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Idon’tthinkso
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I’mafraidnot
—Visitors need to know all the travel routes to Paris, ______? —Sure. But The trip has not arranged.
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A
do they
B
need they
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don't they
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needn't they