Rather than ________at home watching TV, I'd prefer_______in the office.
On AIDS Day, President Hu Jintao demanded that the problems _________ paid special attention to.
Could it be in the classroom_____ we had a talk last night _____you left your keys?
Living in the dormitory means_________ to take care of yourself, understand each others’ differences and share________ interests.
I was _______ at the letter, which was________ to my classmates.
She claimed _____ that she would never break her words.