单项选择.
—What"s the man?
— .单项选择.
Which of the following is "Right"? ( )
单项选择.
The in the picture is a kind of animal. I learned about that in my biology class.
单项选择.
Excuse me. Could you please for us? We"re thirsty and tired.
单项选择.
We"ll be away for two weeks because we"ll have a .
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