根据句意及首字母提示补全单词。

小题1:My name is Jenny Brown. Mr. Brown is my father. I’m his d            .

小题2:This is a s     of keys.

小题3:Alan’s pen is u       the chair.

小题4:My books are e            , on the desk, on the bed and under the chair.

小题5:Two and seven is n      .

演员：观众 正确选项为( )。

A．售票员：乘客

B．工人：厂长

C．农民：田地

D．父母：孩子