——Did you inform Helen of the plan put forward at the meeting?—Of course. ________ I saw her.
Einstein’s Theory of Relativity is so ________that most of us can not understand it.
Anyone who is in ________of weapons without permission is considered lawbreaking.
All the students are looking forward to the first ________to take the College Entrance Examinations.
Bob would have helped us yesterday, but he-_______
George is going to talk about the geography of his country, but I’d rather he_______ more on its culture.