单项选择题
Magic words like “thank you”, “please” are often said a...
单项选择题 Magic words like “thank you”, “please” are often said at table in western countries.
根据云的特点，绘制卡通天空或写实天空。
问答题根据云的特点，绘制卡通天空或写实天空。
A、正确 B、错误
判断题 A、正确 B、错误
