In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
My tooth-brush is a thing that haunts me when I’m travelling, and ____________ my life a misery. I _____________ that I haven’t packed it, and wake up in a cold ________________, and get out of bed and hunt for it. And, in the morning, I pack it before I have used it, and have to unpack again to get it, and it is always the last thing I turn out of the bag; and _____________ I repack and forget it, and have to rush upstairs ___________ it at the last moment and carry it to the railway station, wrapped up in my pocket-handkerchief. Of course I had to turn every mortal thing out now, and, of course, I could not find it.
I _____________ that I haven’t packed it,