问题

I am looking forward to the time ______ I can work as a volunteer for the Youth Olympics .
A:what
B:when
C:which
D:that
B:when
C:which
D:that
正确答案是:
同类题型
____ made things worse, he said, was that his roommate never took part in any of the cleaning work.
My friend Rose always hurts playing sports, so her mother worries about Very much.
Since several years ago, many supermarkets in China have _______ free plastic (塑料的) bags.
(2013·新课标Ⅰ,29)The door________open,no matter how hard she pushed.