46．Though you stay in the sea for weeks, you will not____________(失去聯(lián)系) the outside world.
47. Cancer is _________________(僅次于) heart disease as a cause of death.
48. It is a pity that we should stay at home when we have ______________(這么好的天氣).
49. I would ______________(不會訴諸法律) a court of law if I hadn’t been so desperate.
50. John cannot afford to go to the university, _________________(更不用說出國了).
46. lose contact with
47. second only to
48. such fine weather
49. have never resorted to
50. not to speak of/not to mention/let alone going abroad