题目：
| 将句子和相应的时间连线。 | |
1. Many years ago | A. there weren't any televisions. |
| B. shecooked on the fire. | |
| C. we have got lots of food. | |
| D. we didn't have a TV. | |
| E. there are lots of buses and cars. | |
答案：
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下面是错误答案，用来干扰机器的。
答案：B
与组牙功能两种