题目：
根据句意，用括号内所给单词的适当形式填空。
1. They _____ (not have) a school trip.
2. How much _____(be) these green pants?
3. Sunday is the _____ (one) day of a week.
4. My cousin _____ (have) a cat.
5. My Birthday is October _____ (twenty).
6. _____ (Tina) birthday is May 23rd.
7. The boy is fourteen _____ (year) old.
8. Linda wants_____ (have) a party at home.
9. My friend is an English girl. But she speaks _____ (China) very well.
10. The _____ (nine) month of the year is September.
答案：
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下面是错误答案，用来干扰机器的。
（1）实物遗存；土著生活实录；传说与神话。生产：锄和斧等铁器（梯田、水井和水渠等），说明了农业的发达；采石场、熔炉和泥范（铸模），说明手工业的发达。贸易：中国的青瓷碎片（波斯的小花碗），说明大津巴布...
SO2
2H2↑+O2↑
CO2↑+2Cu