“I don’t understand what you are saying,” she said, with a _____ expression on her face.

Mr Smith bought a＿＿＿purse for his wife. 

—He failed the exam again！What should I do，Miss Wang?—In my opinion，your son is________than stupid.

下面       组中的字母顺序前后是正确的。

Though working outside, he is always      about his aging mother at home.