单项选择题

A．Junk mail takes a large portion of our e-mail.
B．E-mail is very popular with Americans.
C．Many people become e-mail addicts.
D．E-mailing systems may sometimes go wron
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单项选择题
A．Several months ago.B．Three years ago.C．Five years ago.D．Eight years ago.
A．Several months ago.
B．Three years ago.
C．Five years ago.
D．Eight years ago.
单项选择题
A．She advises the man to be careful.B．She agrees to give a hand to the man.C．She sees the job as a piece of cake.D．She asks the man to move the plant first.
A．She advises the man to be careful.
B．She agrees to give a hand to the man.
C．She sees the job as a piece of cake.
D．She asks the man to move the plant first.
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