Question

【题目】—Would you like to go swimming with me?

—I’d like to .But I’m busy ____ my homework.

A.do B.to do C.done D.doing

Answer 1

【答案】D

【解析】

试题分析：句意：――愿意和我一起去游泳吗？――我非常愿意去，但是我在忙着做作业。忙于做某事，忙着做某事：be busy with sth（用介词with引出名词、代词），be busy doing sth（跟动词用成动名词形式）。故选D。