题目

这些英语句子怎么改形式?

this is a piano（改复数）

that knife is short（改复数）

is it a spoon?（改复数）

are they old cooks?（改单数）

are  those girls new?（肯定句）

are these pencil-boxes old?（肯定句）

提问时间：2020-07-24

答案

this is a piano（改复数）These are pianosthat knife is short（改复数）Those knives are shortis it a spoon?（改复数）Are they spoons?are they old cooks?（改单数）Is he / she an old cook?楼上朋友错了这...