单项选择题

A lot of people could fall iii after drinking contaminated water.

A．muddled
B．polluted
C．mixed
D．troubled
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The economy continued to exhibit signs of decline in September.
A．play
B．send
C．show
D．tell
单项选择题
All African countries followed the IMF formula.
A． Right
B． Wrong
C． Not mentioned
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