题目内容

Man could make sounds like those he heard all around him.

A. Right.
B. Wrong.
C. Doesn't say.

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【B10】

A. Go
B. Happy to
C. Welcome to

"Switch them off first" means

A. turn them down first
B. turn them off first
C. turn them over first

【B9】

A. What
B. What a
C. How

【B2】

A. old
B. young
C. big

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