After the long journey, the three of them went back home,_________.
Why is it _____ he can’t get along well with his classmates?
Mary wrote an article on _____ the team had failed to win the game.
At last, we found ourselves in a pleasant ark with trees providing shade and _____ down to eat our picnic lunch.
_____ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.
Look out! The ceiling _____ fall down.