I knew we would be friends ____ I met you on campus
Will you get there by _____ train- No, I’ll take _ taxi.
you explain ____ you have been late for schoolseveral times this term— Sorry, but it is the first time that I have beenlate this week
It was not until I started my own career that I realizedprecious time I had wasted before
I think he will agree to do what you require _____ him[ ]