Each of the questions below contains a number of sentences. Each sentence has pairs of word(s)/phrase(s) that are highlighted. From the highlighted word(s)/phrase(s), select the most appropriate word(s)/phrase(s) to form correct sentences. Then, from the options given, choose the best one.
Regrettably[A]/Regretfully[B] I have to decline your invitation. I am drawn to the poetic, sensual[A]/sensuous[B] quality of her paintings. He was besides[A]/beside[B] himself with rage when I told him what I had done. After brushing against a stationary[A]/stationery[B] truck my car turned turtle. As the water began to rise over[A]/above[B] the danger mark, the signs of an imminent flood were clear.