Question

【题目】The singer 's sweet voice comes in our classroom _________ the window; all of us stop to listen.

A. in B. over C. across D. through

Answer 1

【答案】D

【解析】D through强调从某物的内部穿过。across强调从某一平面内穿过; over意为“在....正上方"，可以垂直在上。由此可知选语D项。