根据下列情景，选择正确答案。
1．如果你想告诉别人你的校长对你们很严厉时，应该说：[ ]
A. My teacher is strict.
B. My principal is very strict.
C. My teacher is kind.
2．如果你想知道南希是否来自美国时，应该说：[ ]
A. Do you from America, Nancy?
B. Are you from America, Nancy?
C. Where are you from, Nancy?
3．如果你想告诉别人你的妈妈既漂亮又和蔼时，应该说：[ ]
A. My mother is pretty and kind.
B. My mother is kind and funny.
C. Is your mother pretty and kind?
4．如果你想问别人今天是星期六吗？应该说：[ ]
A. Is it Sunday today?
B. Today is Saturday.
C. Is it Saturday today?
5．如果你告诉妈妈你们周四要上数学和音乐课时，应该说：[ ]
A. We have math and art classes on Tuesdays.
B. We have math and music on Thursdays.
C. We have math and music on Tuesdays.
缺失，
瞳度楔状缺损，Ⅱ度松动。X线片显示：根尖病变，牙周膜增宽，牙槽骨吸收1/2