内容正文:
Can I come in?
What can you see?
What are they doing?
Yes,I can.
Yes,you can.
Who?
Where?
small library
li
bra
ry
Sam wants to...
Sam can read this book.
Sam can read all the books.
We are in a library. Can you...?
进来
M5U2
Can I come in ?
图书馆
担心
+1
+2
+2
+1
+2
+2
+1
+2
+1
+2
Can I ... ?
Yes, you can.
No, you can't.
+2
+1
+1
+1
+3
+2
+2
+1
+2
$$