A)and still less B) D) and still more 47.Th any thing at the supermarket when he was questioned by the polic B)te C)having stolen D)ha been stalin 48. Did he tell you what if he had a chance? c) be had done D)had to 49. The results were to yesterday, but we have heard nothing. B)have revealed c)be 0. Calculations, which are astronomically exact, have been made with the use of B) D)to be possible 1. to handle the delicate situa A) more than careful B)more carefully D )enough carefull 52. The governess agreed to teach the temperamental child she was given complete whetner D)provided According to the periodic table still some elements undiscoveredA) and still less B) as well as C) no less than D) and still more 47. The man denied ____________ any thing at the supermarket when he was questioned by the police. A) to have stolen B) to steal C) having stolen D) having been stealing 48. Did he tell you what ____________ if he had a chance? A) was he going to do B) he would do C) be had done D) had to do 49. The results were to ____________ yesterday, but we have heard nothing. A) reveal B) have revealed C) be revealed D) have been revealed 50. Calculations, which are astronomically exact, have been made ____________ with the use of computers. A) possible B) it possible C) possibly D) to be possible 51. To handle the delicate situation, you must ；be____________ A) more than careful B) more carefully C) carefully enough D) enough carefully 52. The governess agreed to teach the temperamental child ____________ she was given complete authority. A) whether B) for C) that D) provided 53. According to the periodic table, ____________ still some elements undiscovered