-----Excuse me , but I want to use your bike? ------You ____have my bike if you don’t take care of it.
The poor young man is ready to accept ______ help he can get.
Mary wrote an article on ______ the team had failed to win the game.
The doctor advised Versa strongly that she should take a holiday,but ______ didn’t help.
We haven’t enough books for _____;some of you will have to share.
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.