GWD31-37 讨论答案

allen0018

    

37. GWD31-37

    

In 1994
the white house named Dr RuthR. Faden

    

chairperson
of the federal advisory committee of 

    

experts they
assigned to do a report on the history

    

and
ethics of the government’s radiation experiments

    

on
humans in the 1950’s and 1960’s .

    

 

    

1)  they assigned to do

    

1)     
to be assigned doing

    

2)   that was being assigned doing

    

3)   assigned for doing

    

4)   it assigned to do

大家说说答案吧

        

allen0018

定语从句里，that 不能指代人吧？？？