I _____ sooner but I didn’t know that they were waiting for me .
I’d appreciate _______ if you would teach me how to use the computer.
John thinks it would be long ________ he is ready for his new job.
Perhaps I’m not quite fit for the job, but ________, please let me have a try.
After a long time’s hard work, he _________ Qinghua University last year.
The novel is so interesting that it is worth ________ another time.