pen 复数pens怎么读

pen 复数pens怎么读 It’s his pen.怎么变复数 This is my pen.(变为复数句）My pens are blue.blue 是划线的 （就划线部分提问）This is my pen.(变为复数句）My pens are blue.blue 是划线的 （就划线部分提问）是不是 These is my pens .和 What are your color pens . felt pen怎么读 英语pen怎么读? pen pal怎么读 felt pen怎么读 pen knife怎么读 pen怎么读 pen应该怎么读 英语 单数变复数 That is his pen.（ ） are （ ） pens.第二个空填什么?以及,填那个单词的原因. This si my pen pai.(变成复数形式)怎么变? This is a pen变为复数句,怎么变 This si my pen pai.(变成复数形式)怎么变? 那：it is a pen怎么改成复数形式 Are these _______.A.yours pens B.pens yours C.yours pen D.your pen选择题 Are these _______.A.yours pens B.pens yours C.yours pen D.your pen There are three pen pens.One is Mike's ,_is John's ,and_is Peter's.怎么填?为什么?