单项选择题

A．Optimistic.
B．Doubtful.
C．Indifferent.
D．Enthusiasti
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单项选择题
A．The former Soviet Union.B．Russia.C．The IAEA.D．The U. S.
A．The former Soviet Union.
B．Russia.
C．The IAEA.
D．The U. S.
单项选择题
A．are very rudeB．keep talking to him when he is busyC．only buy small thingsD．bargain with him too much
A．are very rude
B．keep talking to him when he is busy
C．only buy small things
D．bargain with him too much
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