题目内容
补全对话。
1. —What's this? 
—It's ________.
2. —Is this a pencil?
—No, it ________. It's a ________.
3. —Is it a ________?
—Yes, it is.
4. —Is it a bag?
—No, it isn't. It's ________.
—It's ________.
2. —Is this a pencil?
—No, it ________. It's a ________.
3. —Is it a ________?
—Yes, it is.
4. —Is it a bag?
—No, it isn't. It's ________.
1. a ruler 2. isn't, watch 3. baseball 4. a book/dictionary
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_____
is he?
