单项选择题

A．Its not as hard as expected.
B．It’’s too tough for some students.
C．It’’s much more difficult than people think.
D．It’’s believed to be the hardest optional course.
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E: weigh
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As a result of the development of the information highway, many people may eventually be able to____________________________ (留在家里而不用去办公室).
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