.Those are his potatoes.(改为单数句) 3.Are those donkeys?(否定回答) 4

.Those are his potatoes.(改为单数句) 3.Are those donkeys?(否定回答) 4 those potatoes are bad.改为单数句子 those are his sistexs 改为单数句 把Those are their potatoes .改为单数型式 Are those his friends?改为单数形式 Those are his parents怎么改为否定句 Those are his friends.(否定句,疑问句并做回答) Those are his friends.(改为否定句,疑问句并做回答) Are those his toys?(否定回答) Those are my friends 改为单数句 those are orange towels改为单数句 Those are oranges（改为单数句）