Duty is an act or a course of action that people ______ you to take by social customs, law
A. persuade
B. request
C. instruct
D. expect
According to the text, what is the major cause of the flooding spam？
A. Companies rely on e-mails for communications.
B. More people in the world communicate by e-mails.
C. Many computer viruses contain spam e-mails.
D. More advertisers begin to promote sales through spam.
A．unemploymentB．challengeC．competitionD．retirement
A. unemployment
B. challenge
C. competition
D. retirement
A．Where the man heard the news.B．How the man feels about the news.C．If the man is goin
A. Where the man heard the news.
B. How the man feels about the news.
C. If the man is going to lose his job.
D. If the man is going to the company.
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