By the time I reach the age of sixty, I hope to be healthy enough to travel ___________ .
_________ to the sunlight for a long time does harm to one’s skin.
The news of ___________ is already known to everyone in our office.
The well-known singer insisted on ______ his private affairs in the press conference.
Jim was ashamed of himself for _______ rude words to the beggar in the street the week before.
Only after staying in England for a few weeks did Li Lei become used ____ Chinese.