
【名词&注释】
不透明(opaque)
[单选题]一个不透明的布袋里有30个球,每次摸一个,摸一次就一定摸到红球,则红球有
A. 15个
B. 20个
C. 29个
D. 30个
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举一反三:
[单选题]27. Tina is from______.
A. China
B. America
C. Beijing
D. England
[单选题]5. Jim is funnier than _________ in his class.
A. any other boy
B. any boy
C. another boy
D. any boys
[单选题]19.
A. so
B. such
C. so a
D. such a
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