摘要：
Lesson Thirty-one Where’s Sally?Where’s Sally, Jack?She’s in the garden, Jean.What’s she doing?She’s sitting under the tree.Is Tim in the garden, too?Yes, he is.He’s Climbing the tree.I beg your pardon?Who’s climbing the tree?Tim is.What about the dog?The dog’s in the garden, too.It’s running across 阅读全文
