单项选择题

—______ did the first man walk on the moon
—In 1969.

[A] What
B. Where
C. When
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单项选择题
They didn’t go out for a walk ______ the bad weather.
[A] to
B. because
C. because of
单项选择题
Her voice sounds______.
[A] beautiful
B. beautifully
C. beauty
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