—Mr. Smith, why are you always asking me to do the difficult work?—Because you _______ do such a thing and nobody else is fit for it.
. I have to see the doctor because I_________a lot lately.
John thinks it won't be longhe is ready for his new job.
His first booknext month is based on a true story.
It never occurred to meyou could succeed in persuading him to change his mind.
John opened the door . There _____ he had never seen before.