1. " Many law enforcement officers did not know how to act in an emergency situation, " he said.
2. " I don't know what the hell these guys are thinking, " said one economist who asked not to be quoted by name.
3. And government officials used to inviting guests by the thousands who may not even know anyone in their family.
4. Both Li and the university insisted Li did not know that his name appeared on the byline.
5. When those victims entered the shopping mall that morning, they could not know the calamity that awaited them.
6. They do not know the lay of the land beneath most of the world's glaciers well enough to calculate how fast the ice might retreat.
7. The experts said returning the calf to her pod poses problems, partly because they do not know exactly where the group is.
8. not know的解释
8. Chen and his wife did not know their daughter gave birth to a boy in the hospital until they received a call from Feifei's headmaster.
9. I do not know if my fellow journalists in those capitalist societies believe that media has a responsibility to society.
10. danci.911cha.com
10. Caramel apples are great, but do not take homemade food as you never know what is in it.