The on his face suggested that he was a little nervous .A. instructionB. expressionC. att

问题补充：

The on his face suggested that he was a little nervous .

A. instruction

B. expression

C. attitude

D. behaviour

答案：

A. instruction

(答案→)B. expression

C. attitude

D. behaviour

解析：本题的含义是从他脸上的表情可以看出他有一点儿紧张，expression可以表示表情的意思，故本题选B。