what's this ˉ is a pen .2.tom is an american boy ˉis my frie

what's this ˉ is a pen .2.tom is an american boy ˉis my frie My pen pal is an American boy. He has a family of five. His What's this?——___.(①It's a pen.②This is pen.③This is an pen. 改错:1.This is Kate is an old pen .2.-What is this -This is a 阅读短文，回答问题: My name is Tom. I'm an American boy. There a 英语翻译My pen pal is Jim.He's an American boy,he's in Grade 8,i 1.This is a n__ jacket. 2.Gina's pen is black.My pen is blac this is a my pen Tom is an American boy.He‘s thirtee years old.He’s very tall What’s this?This is a pen.哪里错了? 在需要的地方填冠词1.This is ___ Tom.He is ___ American boy.2.-Where a It"s my pencil case.What"s in it?Look,this is a pen.