Question

知识点一 “疑问词十不定式动词”结构

(1) “疑问词+动词不定式”作动词的宾语。疑问词包括疑问代词who,what,which,whose和疑 问副词 when,where,how。

(2) “疑问词+不定式动词”结构可以在句中充当主语、宾语、表语、同位语等成分。

(3 ) 适用于“疑问词 + 不定式动词”的动词包括：know,see,decide,tell,ask,consider,discover,explain,forget,guess,hear,imagine,learn,remember,think,wonder,understand 等。

(4) 有些动词，如ask,show,tell,advise,inform,teach等，可以先加宾语，然后再接着加上适当的 “疑问词+不定式动词”结构。

(5) —些形容词短语后面也可接“疑问词+不定式动词”结构作宾语，如be sure,afraid,clear等。

1.  (单项选择)

() (l) There isn’t any difference between the two. I really don't know .

   A. where to choose   B. which to choose

C    C. to choose what   D. to choose which 

() (2) I've worked with children before,so I know what in my new job.

   A. expected   B. to expect

    C. to be expecting   D. expects

Answer 1

1. (1) B (2) B