—WhatwereyoudoingwhenIrangyouthismorning?—Iwasoccupied

问题详情：

—What were you doing when I rang you this morning?

—I was occupied ________ the housework and kept my soil occupied ________ his homework.

A．at; in doing                      B．with; in doing

C．al; to do                         D．with; to do

【回答】

B　be occupied with sth.和be occupied in doing sth.的意思都是“忙于做某事”。

知识点：介词

题型：选择题