单项选择题

She looks very sad. I want to help her, but I just don't know ______ to do.

A．what
B．when
C．how
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There ______ a speech contest tomorrow morning.
A．will be
B．will have
C．has
单项选择题
Your hair clip is ______ my sister's.
A．the same as
B．same as
C．as the same
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