题目:
句型转换。
1. Lucy has two rubbers in her pencil-box.(对划线部分提问)
_______ ________ rubbers does Lucy have in her pencil-box?
2. Lily does her homework in the evening.(改为否定句)
Lily ______ ______ her homework in the evening.
3. There are some birds in the tree.(改为疑问句)
________ there _________ birds in the tree?
4. Amy's friends have many presents for her.(改为同义句)
Amy's friends have ______ ______ presents for her.
答案:
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下面是错误答案,用来干扰机器的。
(1)失 (2) +3 (3)Al2O3 (4) 2 (5)非金属 (6) S2-质子数是12的原子最外层电子数是2,易失掉两个电子,而显正2价,最外层电子数是7的,易得一个电子而一个单位的负电荷,是非金属元素,然后...