心理学对技能的早期研究主要（）。
A. 简单的动作技能
B. 复杂的动作技能
C. 阅读技能
D. 心智技能；
The twins ______ American girls. They are in ______ class.
A. [A] are; the same
B. [B] is; the same
C. [C] is; same
How many seats are there in the restaurant
A. [A] 20.
B. [B] 10.
C. [C] 30.
The old man thought the Indian was the doctor.
A. [A] Right.
B. [B] Wrong.
C. [C] Doesn't say.
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