看图，完成对话。
A: Look at this ______ .
B: It's nice, but it's ______ ______ .
A: Yes, guess, ______ ______ is this?
B: Perhaps ______ your sister's.
看图，完成对话。
A: What's the ______ with your dog?
B:______ hungry.
A:______ worry , here's a______ ______ for it.
句子搭配。
A : ______ in the book? B : ______ a bookmark.
| A．Where's ; It's |
| B．What's ; It's |
| C．What ; This's |
| D．Where's ; At |
A: What's this in English? B:______ .
| A．It's a basketball |
| B．They are apples |
| C．It's an balloon |
| D．They are kites |