首页 › 答案 › 题库 › 知到智慧树 › 未分类

Listen! They（）in the next room.

Listen! They（）in the next room.
A.were singing
B.is singing
C.are singing
D.sing
正确答案：are singing

标签：大学英语高职版

上一条：Look.they（）a good time，（）they？

下一条：Which of the following sentences are used for the opening of a recommendation letter？