They will start their project，________at helping the poor children to be educated in the west of China.
A．aims B．aiming
C．being aimed D．to aim
Einstein’s Theory of Relativity is so ________that most of us can not understand it.
A．controversial B．abstract
C．appropriate D．universal
Anyone who is in ________of weapons without permission is considered lawbreaking.
A．command B．control
C．charge D．possession
All the students are looking forward to the first ________to take the College Entrance Examinations.
A．measure B．attempt
C．purpose D．desire
Bob would have helped us yesterday, but he-_______
A．was busy B．is busy C．had been busy. D．will be busy
George is going to talk about the geography of his country, but I’d rather he_______ more on its culture.
A．focus B．focused C．would focus D．had focused
