It was not ________ the many blows he received ________ the lack of fighting spirit________ led to his losing the game

Are you satisfied with the air today –Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.

not an actor, who often appeared onstage, _____ a writer, writing stories.

The research is difficult. Who do youthink can do the job— mystudents have a try

He always helps us ________ he is doing when we turn to him for help