Tom almost ran into a pole yesterday while driving on the highway.—I suppose he too fast

_____ is not only what you do, but also how you do it that makes the difference. [ ]

John thought it wouldn’t be long _____ he was readyfor his new job.

一What ifyou_____ to send an essay with your application一I would havebeen rejected．

In many American universities, the total work for a degree thirty-six courses, each for one semester(学期).