Her question was so difficult that I could not __________ of it at all.
_______, he talks a lot about his favorite singers after class.
Experience is a great _______ when you’re looking for a job.
Since you have such good preparations, there ____ be any problem about passing the coming job interview.
We _____ finish it ahead of time, though it was such a tough task.A. could B. would C. were able to C. ought to
----Was he present a the meeting?---- He ____ not have attended it, for he was busy repairing his computer all the time.