The old man enjoys collecting signatures of famous people _______ famous paintings[ ]

To my understanding, a high school graduate has already reached a point in his/her life ______ he/she is supposed to make decisions of his/her own.

have a quarrel about money last night, but nowwe have already _____

How about going hiking this weekend—Sorry, I prefer _____ rather than _____.

He felt __________ after hearing the bad news.