The time he has devoted in the past years ______ the disabled is now considered ______ of great value.
To save class time, our teacher has ____ students do half of the exercises in class and complete____ for homework.
I hope you don’t mind me asking, ____ where did you buy these books?
On March14, 2013, Xi Jinping was elected____ president of ____ People’s Republic of China.
— Tom, I made your computer system break down. I will pay someone to repair it. — Oh. ______. I can solve it by myself.
______ send officials abroad for training, I think it is better for the government to directly admit people who have studied and worked overseas.