题目内容
根据汉语意思完成句子。 |
1.他们房子里有报警系统. They have a________in the house. 2.这些国家的法律制度各不相同. The____are quite different in these countries. 3.我们要建立一个社会信用体系. We must set up a____. 4.运输系统需要改进. The________needs to be improved. |
1. warning system 2. legal systems 3. social credit system 4. transport system |
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