I regret _____ that I am unable to helpyou.

No matter how hard I tried to read it, the sentencedidn’t to me. [ ]

He got his first book published. It turned out to be a bestseller. —When was ________ — ________ was in 2000 when he was still in college.

The other day, my father drove his car down at ____ I thought was a dangerous speed.

12MrWhite works with an import and export company, but he ______ for this industrial fair, since he is on leave