He is the only one of those clerks ________ to the important conference. 
#76721
A
who was inviting
B
who were invited
C
who has been invited
D
who have been invited.
推荐题目
How do you guess ________?
#77434
A
did they finish the work within so short a time
B
they finished the work within so short a time
C
had they finished the work within so short a time
D
will they finish the work within so short a time