The radio says that a terrible traffic accident happenedsometime ________ 8 a.m. ________ 10 a.m. this morning.

I am well_____of the problems brought about by this new road—-it runs right past my school.

The news shocked the whole nation ____a strong earthquake hit Yushu on Apr．14, 2010

e you quit your job, ______how your family would feel about your decision.

I was told that Wenchuan Earthquake ______ theafternoon of May 12,2008.