单项选择题

-Please don't tell anybody. -I______, I promise.

A．can't
B．don't
C．won't
D．mustn't

相关考题

______everything means to know nothing.A．To knowB．Knowi...

单项选择题______everything means to know nothing.

A．To know
B．Knowing
C．One knows
D．You know

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