单项选择题
How are the activities different from the experiments
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A. Activities are to be done after class.
B. More instructions are given for the activities.
C. Equipment in the lab may be used for activities.
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单项选择题
What is the man wearing
A. A coat.
B. A suit.
C. A shirt.
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单项选择题
Who’s Peter
A. He’s the woman’s son.
B. He’s the man’s son.
C. He’s the woman’s student.
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