Question

问一句英语翻译及其语法

By the end of the six-hour cleanup, they (30)_____(remove) enough garbage to fill more than two large trucks. ―(31)_____(see) all that garbage in the river makes people begin to care about environmental issues,‖ Susan says.
答案： 30. had removed 31. Seeing
帮我翻译一下，并且讲一下它的语法谢谢！

Answer 1

经过六小时的大扫除，他们清除了足够装两辆多大卡车的垃圾。 by the end of +过去式，主语+过去完成时 固定句式
“看到水里的垃圾使人们开始关心环保问题，”苏珊说。
现在分词作主语/状语。。垂悬结构。。。谓语动词为make
希望采纳哦~~