单项选择题

Walt was （） when be heard the strange sound.

A．reading
B．singing
C．drawing
D．playing

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单项选择题

The sound from the wastebasket was made by （）

A．some mice
B．the waste paper
C．the basket
D．Walt Disney

单项选择题

People in （）use English as their second language.

A．the U.S.
B．India
C．China
D．Australia

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