为下面的句子选择正确的汉语翻译。
( )(1)What are you doing?
( )(2)I am doing the dishes.
( )(3)This is Zhang Peng.
( )(4)I'm reading a book.
( )(5)What's your father doing?
( )(6)He's writing an email.
( )(7)Grandpa is writing a letter.
( )(8)Brother is doing homework.
( )(9)Mom is cooking dinner in the kitchen.
( )(10)He's writing an email in the study.