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--- __________ did Charles Smith hiccup?  --- For about two weeks.
#62164
A
When
B
How
C
How long
D
How often
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— ______ are you looking for? — The key to my bike.
#62145
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Where
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Who
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What
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—Are there any halls in your school? —___________.
#62498
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Yes, there aren’t
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No,there aren’t
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—Is this your pen? —Yes, __________.
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this is
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it’s
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Why ____ you join the art club? You like painting (画画) so much.              
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not
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do
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The math problem is so hard. I really don’t know    .
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how to do it
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how to do
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