How long have you lived here ________ ten years ago .

I lived in you call “ancient Greece” and I used to write about the Olympic Games a long time ago.

Some people are bad at recalling names and faces, so it’s possible that they have a condition called face blindness, ______ people suddenly have trouble recognizing family members, friends or even themselves

It is______ that we can go out to play in the park.

Computer are very useful. With the help of them, news can____ every corner of the world.