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ä¾å¥1ï¼Teachers and students are good friends.
Are teacher and students good friendsï¼
Teachers and students are not good friends.
ä¾å¥2ï¼They are good class and friends.
They are not good class or friends.
Are they good class or friends.
ä½ æçé®é¢ä¸My sister and I have a nice Room.为andè¿æ¥ç主è¯ï¼haveå¨å¥ä¸ä¸ºå®ä¹å¨è¯ï¼æ¬å¥ä¸ºä¸è¬ç°å¨æ¶ï¼åå¦å®å¥åä¸è¬çé®å¥æ¶è¦ç¨å°å©å¨è¯doã
åå¦å®å¥åºä¸ºï¼My sister and I don't have a nice room.
åä¸è¬çé®å¥ä¸ºï¼Do your sister and you have a nice room?
è¯å®åçï¼Yes, we do.
å¦å®åçï¼No, we don't.æ¥èªï¼æ±å©å¾å°çåç
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