The science of computer,____ rapid progress has been made, is the most important of all.
Watching TV all evening or playing video games wasn’t exactly what he ______ mind for the National Day.
He _______ his car key, _______ that I could I use his car.
Without permission, no one ______ let out the news.
A 6.5-magnitude earthquake ________ southwest China’s Yunnan Province on the afternoon of August 3, leaving 615 dead and more than 3140 injured .
It hasn’t been ______ that food from cloned animals is really safe for humans to eat.