. So absorbed _____ in her work that she didn’t realize I was behind her.
A had she B was she C she had D she was
（2014届浙江省宁波市十校高三3月联考英语试卷）
The couple is considering a 3D TV set for their new flat, which is widely considered to be in fashion．
| A．to buy | B．buy | C．buying | D．to be bought |
（届北京市顺义区高三3月统一测试英语试卷）
A new way of teaching _____ in the article can make learning easier.
| A．introduced | B．has introduced | C．was introduced | D．is being introduced |
（届陕西省五校联盟高三第二次模拟考试英语试卷）
Be careful when you deal with this chemical, as it will explode when ______ to sunlight.
| A．exposed | B．to expose | C．exposing | D．being exposed |
Though in a big city，the college student was more interested in village life.
| A．raised | B．grown | C．developed | D．set |
（届北京市东城区高三3月质量调研英语试卷）
_________ her son outside the school gate, she drove straight to her work place.
| A．To drop | B．Dropped | C．Having dropped | D．Having been dropped |