2012英语四级考试各类题型解题指导七

21. I must apologize for ___ ahead of time.

  ----that’s all right.

A letting you not know B not letting you know  C letting you know not  D letting not you know

选B

22. the patient was warned ___ oily food after the operation.

A to eat not   B eating not C not to eat  D not eating 

选C

 含有否定意义的副词或连词放在句首时，主句部分用倒装语序

这种题目也比较多，现仅以not until 为例

23. not until I began to work ___ how much time I had wasted.

A didn’t I realize  B did I realize  C I didn’t realize D I realized

选B

24. not until all the fish died in the river ____ how serious the pollution was.

A did the villagers realize  B the villagers realized  C the villagers did realize

D didn’t the villagers realize

选A

 非限制性定语从句中，关系代词指物时只用which,不用that

25. she heard a terrible noise, ___ brought her heart into her mouth.

A it  B which  C this  D that 

选B

26. she received an invitation from her boss, __ came as a surprise.

A it  B that  C which  D he

选C

使役动词和感官动词后面用省to不定式做宾语补足语，但在其被动结构后要带to