题目：
按要求完成下列各句。
1. We can hold a ______ sports meeting. (success) (用所给词的适当形式填空).
2. There are some ______ (different) between the cats. (用所给词的适当形式填空).
3. — Tom, could you fold the clothes? (作否定回答)
— Sorry, ______ ______.
4. She is a woman engineer. (改为复数形式)
They are ______ ______.
5. It's ten miles from the post office to the bank. (对划线部分提问)
______ ______ is it from the post office to the bank?
6. He didn't go to school because he had a sore back. (同义句转换)
He didn't go to school ______ ______ his sore back.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D, E
缺失，
松动Ⅱ度。X线片示全口牙牙槽骨水平型骨吸收达根长1/3～1/2。