1．I was so ________ in watching the TV series that I didn't notice your coming in.
A．drawn B．concentrated
C．absorbed D．attracted
解析：句意：我被那部电视连续剧吸引了以至于不知道你什么时候进来的。be absorbed in“专心于”。A、B、D三个选项均不与in搭配。
答案：C
2．(2012·焦作一模)________as the CEO of a foreign firm, Mr. Smith was busier than ever.
A．Employing B．Employed
C．To employ D．Being employed
解析：be employed in“忙于……”；在句中employed为过去分词作状语。
答案：B
