问题

(2011·四川)As is reported,it is 100 years ________ Qinghua University was founded
A:when
B:before
C:after
D:since
B:before
C:after
D:since
正确答案是:
同类题型
The bad weather _______ our trip
Lin Tao sits_________Joan_. Lin Tao is very tall, so she can’t see anything.
_____ she have breakfast this morning—No. She left home _____ breakfast.
_____ is believed to be the most excellent in allaspects will win a scholarship
There are momentsI forget all the thingshappened in the past.