I like getting up very early in summer.The morning air is so good                 .

A.to be breathed               B.to breathe               C.breathing                          D.being breathed

答案  B

解析  在“主语+be+adj.+to do”结构中，动词不定式用主动形式表被动意义。

2.(北京31)

—Did the book give the information you needed?

—Yes.But                 it， I had to read the entire book.

A.to find                                 B.find                       C.to be finding                     D.finding

答案  A

解析  答语句意为：是的，但是为了找到它，我不得不阅读了整本书。表示目的要用动词不定式形式。由于不表示正在进行，故不用进行时态。

3.(北京32)

I feel greatly honored        into their society.

A.to welcome                          B.welcoming                    C.to be welcomed         D.welcomed

答案  C

解析  welcome与“I”之间为逻辑上的动宾关系，故welcome须用被动语态形式。该句语意相当于I feel it a great honor to be welcomed into their society.。

4.(北京35)

It is worth considering what makes“convenience” foods so popular， and         better ones of

your own.

A.introduces                           B.to introduce            C.introducing                D.introduced

答案  C

解析  本题句意为：值得考虑一下什么使得“方便”食品这么受人欢迎，并且介绍一下你自己比较喜欢的那些“食品”。and连接consider与introduce，故introduce也要用v.ing形式作为worth的宾语使用。

5.(天津4)

             their hats into the air， the fans of the winning team let out loud shouts of victory.

A.To throw                      B.Thrown                        C.Throwing                         D.Being thrown

答案  C

解析  throw与句子主语the fans之间为主谓关系，故用现在分词作状语。A项表示动作还未发生；B、D两项表示被动，均不符合句意。

6.(江西24)

I hear they’ve promoted Tom， but he didn’t mention                 when we talked on the phone.

A.to promote                           B.having been promotedC.having promoted            D.to be promoted

答案  B

解析  句意为：我听说他们提拔了汤姆，但我们在电话中交谈时汤姆并未提及被提拔之事。mention后跟名词或动名词作宾语，此处要用动名词的完成被动式表示，“被提拔”的动作在mention前发生。

7.(江西28)

We finished the run in less than half the time           .

A.allowing                        B.to allow                            C.allowed                            D.allows

答案  C

解析  句意为：我们用了不到被允许的时间的一半就跑完了。time后缺少定语，“时间”与“允许”之间是被动关系，因此用过去分词形式。

8.(湖南26)

The trees           in the storm have been moved off the road.

A.being blown down         B.blown down                  C.blowing down                   D.to blow down

答案  B

解析  句意为：在暴风雨中被吹倒的树已经被从道路上移走了。“树木”的后面缺少定语，因为blow down与trees之间是动宾关系，且是已经完成的动作，故用过去分词短语blown down。

9.(湖南30)

                  the project as planned，we’ll have to work two more hours a day.

A.Completing                          B.Complete               C.Completed                        D.To complete

答案  D

解析  句意为：为了按计划完成工程，我们不得不每天多工作两个小时。此处用动词不定式作状语，表示目的。

.(湖南34)

 Susan wanted to be independent of her parents.She tried                    alone，but she didn’t like it and moved back home.

A.living                                 B.to live                           C.to be living                D.having lived

答案  A

解析  句意为：苏姗不想依赖父母。她试着一个人生活，但不喜欢这样，又搬回家去了。try doing sth.试着做某事；try to do sth.尽力去做某事。

11.(陕西14)

                around the Water Cube， we were then taken to see the Bird’s Nest for the  Olympic Games.

A.Having shown                    B.To be shown                 C.Having been shown           D.To show

答案  C

解析  show与take之间有明显的时间先后关系，且句子的主语与show构成逻辑上的动宾关系，故该空格处用现在完成时的被动形式。

12.(四川14)

We had an anxious couple of weeks                     for the results of the experiment.

A.wait                                   B.to be waiting          C.waited                       D.waiting

答案  D