Mr. Zhang that helped us out of the trouble. Without his help, we ______ itso easily.

Tom hardly hurt himself in the accident, ________

Are you happy with your new computer? —– No, it is _______ me a lot of trouble.

sir, but you can’t go any furtherwithout______boarding pass. Please obey ____ rule.

out buying Tim a mobile phone After all, heisn’t a boy any more –I think it’s necessary, for we sometimes wantto make sure if he ____ for dinner