题目内容：
—______clever boy Billy is!
A What a B How a C What D How
参考答案：
答案解析：
选择题：—______clever boy Billy is!A What a B How a C What D How
- 题目分类： 大学英语B级
- 题目类型：选择题
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—______is the population of Paris?A How many B How much C How D What
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—Can you look after my children for a while? I don't want to leave them ______.
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花粉粒成熟时，如只含有（）和（），称为2一细胞花粉粒（2核花粉粒）；如含有（）和（），称为3一细胞花粉粒（3核花粉粒）。
花粉粒成熟时，如只含有（）和（），称为2一细胞花粉粒（2核花粉粒）；如含有（）和（），称为3一细胞花粉粒（3核花粉粒）。
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—If we could learn English in the same ______,it would not seem so difficult.A r
—If we could learn English in the same ______,it would not seem so difficult.A r