_____ he denied having seen my lost MP4, I believe at least from nobody else can I get better source of information

id not see him at the lectureyesterday．— You _______ him, since I went to aninternational conference with him．

Lots of people in our city __________ the old and the disabled. They usually offer their seats to them on buses or help them cross the road.

Climbing Mount Everest greatskills and not withoutrisk.

and gentlemen, due to an unexpected accident, one of the singers who all of you to hear____tonight,