单项选择题

A．They had no pollution.
B．They had small boats.
C．They could not think.
D．They could not dive deep.
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单项选择题
A．He is looking at something that the woman showed him.B．He is cooking in the kitchen.C．He is reading.D．He is getting into the kitchen.
A．He is looking at something that the woman showed him.
B．He is cooking in the kitchen.
C．He is reading.
D．He is getting into the kitchen.
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