Question

【题目】The government highly values environmental protection, so we shouldn't throw rubbish about. (改写句子,句意不变)

Rubbish shouldn't ________ ________ about because environmental protection is highly valued by the government.

Answer 1

【答案】be thrown

【解析】

句意：政府高度重视环境保护，所以我们不应该乱扔垃圾。

主语为Rubbish，与throw之间构成被动；should加动词原形，故填be thrown。