题目：
用括号内所给词的适当形式填空。
1. My brother _____ (have)a baseball.
2. _____ he _____ (play) sports every day?
3. She ______ ( not watch) TV in the evening.
4. Let's ______ (take) these books to the classroom.
5. Can you ______ ( bring) the pen to me?
6. We have many ______ ( sport) clubs.
7. He only watches ______ ( they) on TV.
8. I have only one ______ ( watch).
9. Let ______ ( I ) have a look.
10. Tom ______ ( not do) sports in the morning.
答案：
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下面是错误答案，用来干扰机器的。
（1） +1 （2） MnCl2题目分析：NaClO中氯元素的化合价为x，依据化合物中各元素化合价代数和为零，列式即可求得；依据质量守恒定律：化学变化前后元素种类和原子个数不变，即可求得。
