She has worked in this factory ______ she came here in 2010.

Wow, what a nice computer you have bought!—Yes, it is of _____ to me, but I must say it also cost me a lot.

I was so _________ as to believe everything he said. I now hate myself for being so simple-minded. [ ]

Rose didn’t win at last, ______ she did her best.

From the symptoms shown in the dead body, he ________to death by a certain poisonous chemical, but I can’t tell exactly which. [ ]