As it reported, it is 100 years _______ Qinghua University was founded.
A. when
B. before
C. after
D. since
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If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait ______ it comes out on DVD.
A. whether
B. after
C. though
D. until
Hehadnosoonerfinishedhisspeech __________thestudentsstartedcheering.
A. since
B. as
C. when
D. than
--Nancy __________us a report as soon as she __________tomorrow.How great! I will be there.
A. gives, is arriving
B. gives, ill arrive
C. will give, arrives
D. gives, arrives
She didn't leave the school __________ she worked out this problem.
A. as long as
B. until
C. since
D. while