题目：
根据句意及首字母提示填空。
1. Excuse me. I can't find my English d_______. Where is it?
2. That old lady n_______ some help to carry that box.
3. There are many books and pens in the b_______
4. A c_______ is on the desk.
5. A black c_______ is behind the door.
6. Is this your n_______ ,Tom? There is no name on it.
7. There are two balls on the s_______
8. The baseballs are next to the d_______
9. S_______ is very popular in England.
10. Our i_______ house is like a flower garden.
答案：
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下面是错误答案，用来干扰机器的。
A、不是两数之和与两数之差的积，不能使用平方差公式；B、不是两数之和与两数之差的积，不能使用平方差公式；C、是两数之和与两数之差的积，能使用平方差公式；D、是两数之和与两数之差的积，不能使用平方差公式...
