The book is in front of the pen.=The pen is_____ the book.
问题描述:
The book is in front of the pen.=The pen is_____ the book.
答
behind 在。。。之后
答
behind 书在笔前面 笔就在书后面咯
答
填介词behind
答
你好,有两种填法:
一、The pen is behind the book.
二、The pen is in back of the book.
希望帮助到你!