however和but

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/28 02:41:44

however和but
---,not all people know that noise is also a kind of pollution ,-----it is harmful to human's health ,too.
AHowever,and BThough and c but,and D However but
为什么选D?其他都为什么不行?
还有：I hear ---boys in your school like playing basketball after school。
Aquite a lot Bquite a few Cquite a bit

我觉得选A 在一个句子里 however 和 but 是不能连用的.只有however后面用逗号隔开.

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