单项选择题

Paragraph 3 points out that the Lakes ______.

A．have too many boats on them
B．are overcrowded on the beaches
C．are polluted by wastes
D．are no longer attractive
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单项选择题
A．paralysedB．authenticateC．intoxicatedD．deliberate
A．paralysed
B．authenticate
C．intoxicated
D．deliberate
单项选择题
A．had had toB．had toC．has had toD．has to
A．had had to
B．had to
C．has had to
D．has to
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