单项选择题

I was surprised that no one ________them of the danger.

A．warns
B．warned
C．has warned
D．had warned
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单项选择题
Alice is going to the photographer’s this afternoon ________.
A．to have taken her photograph
B．to have her photograph taken
C．to have her photograph being taken
D．to have her photograph been taken
单项选择题
She considered________ important that everything should be finished by ten.
A．that
B．what
C．it
D．which
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