单项选择题

A．We should drink more hard water.
B．We should drink more soft water.
C．Ground water is good for the elderly people.
D．Ground water has to be treated before we drink it.
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单项选择题
A．Shake her hands.B．Give her a friendly hug.C．Take her some flowers.D．Call her Claudia.
A．Shake her hands.
B．Give her a friendly hug.
C．Take her some flowers.
D．Call her Claudia.
单项选择题
A．The speaker was an expert on modern literature.B．The speaker had to give a speech without preparation.C．Tom had to give a speech instead of the guest speaker.D．Tom was a very careless person.
A．The speaker was an expert on modern literature.
B．The speaker had to give a speech without preparation.
C．Tom had to give a speech instead of the guest speaker.
D．Tom was a very careless person.
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