1．what a nice place it is!
2. sit down, please.
3. what are they?
4. B(作定语，用－连结的，都用原形，单数)
1\What a
2\Sit down
3\What are
4\B
1 what a
2 sit down
3 who are
4 b
1 what a
2 sit down
3 who are
4 B
1. What a
2. Sit down
3. How are
4. 选 B
1 what a
2 sit down
3 what are
4 B
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