In the past 10 years people have become more______ the safety of their privacy.[ ]

From her________look，I knew Jonna couldn’t understand your________opinions about the universe.[ ]

What a terrible earthquake!—Yes. It came at about 6.30 this morning. I________ to the bus stop at that time.

David, could you tell me _________ the Olympics take place—Every four years. The 32st Olympics will take place in Tokyo in 2020.

─ There _______ two football matches in the sports centre next week.─ Great!