单项选择题 He has trouble understanding that other people judge him by his social skills and conduct.（）

Please do not hesitate to call me if I can be of furthe...

单项选择题Please do not hesitate to call me if I can be of further assistance.（）

She seemed to have detected some anger in his voice.（）A...

单项选择题She seemed to have detected some anger in his voice.（）

I am not certain whether he will come.（）A．determinedB．s...

单项选择题I am not certain whether he will come.（）