Question

【题目】People are _____ litter ______the river.

A. throw, to B. throw, into

C. throwing, for D. throwing, into

Answer 1

【答案】D

【解析】

试题分析：句意：人们正往河里扔垃圾。根据句子结构，此句是现在进行时态，are后跟现在分词，排除A,B；往河里仍东西，应该用介词into。故答案为D。