C．pick through D．pick up

答案与解析：D　根据句意，此处应用pick up"结识"。

6．I'm so________in writing my report that I have no time to go for a walk.

A．occupied　　　　　　 B．occupying

C．taken up D．absorbing

答案与解析：A　句意：我专心写我的报告而没有时间去散步。 be occupied in doing/with sth ＝ occupy oneself with/in 正从事于......；忙于......。

7．________ for my illness, I would have passed the exam.

A．Not being

B．Without being

C．Had it not been

D．Not having been

答案与解析：C　句意：要不是因为我生病了，我就通过考试了。本题考查虚拟语气的用法：if it were not / had not been for...该结构也是由if引导的非真实条件句，其中if it were not for...是与现在事实相反的条件句(句中的were不可替换成was)，意为"要不是..."，这时主句中的动词使用过去将来式；if it had not been for...是与过去事实相反的条件句，这时主句中的动词使用过去将来完成式(另外，该条件句中的if如被省去时则引起倒装)。

8．-In spite of our advice, he still drinks a lot at the risk of being spotted and scolded.

-It's strange that he________react in this way.

A．can B．may

C．might D．Should

答案与解析：D　本题考查固定句型中虚拟语气的用法。It is/was＋adj.＋that...该结构中的主语从句表示说话人的意愿或主观态度，结构中的形容词用来表现说者的意愿趋向， 从句中的动词应用现在虚拟式。可用于该结构中的形容词包括 advisable, appropriate, crucial, desirable, essential, fitting, imperative(必要的), important, impossible, natural, necessary, obligatory(必须), preferable(更好的), proper, sad, strange, surprising, vital(至关重要的)等。

9．If Jane________a job now, she wouldn't be able to look after her sick mother.

A．has B．had

C．were to have D．could have

答案与解析：B　句意：要是Jane现在有工作的话，她就不能照顾她生病的母亲了。本题考查if条件从句的虚拟语气用法：与现在事实相反，if从句谓语用一般过去时，主句谓语为would后接动词原形，故答案是B项。

10．Footsteps________his return from work.

A．announced B．declared

C．published D．pronounced

答案与解析：A　句意：听脚步声就知道他回来了。 announce vt. "正式的宣布，宣告"， 可以是宣布一个晚宴的开始，announce dinner；可以是宣告婚期，announce marriage；还可以是宣布广播电台的节目开始，announce program。而在题目中，announce对应的英文的解释是"To proclaim the presence or arrival of"，即显示、展现某种状态。

11．Who do you imagine________the first prize?

A．winning B．was winning

C．has won D．won

答案与解析：C　句意：你认为谁获得了一等奖？分析句子结构可知：do you imagine是插入语，句子缺少谓语动词，故排除A项；结合句意可知答案是C项：句子谓语动词应用