_____ he graduated from college, he became a success in business. 

— Are you going to travel during this summer vacation?— No, I’ll have to do some part-time job for my study. __________, there’s a disease spreading.

.Jim went to answer  the phone __________ , Harry  started  to prepare  lunch.

--- What do you think of the speech?--- The speaker said _____ nothing worth listening to.

_____ I had done it I knew I had made a mistake.