【１７】評論
Most substances expand when heated, but it is a curious fact which water expands when it freezes.大多數物質在加熱時會膨脹，但水在結冰時會膨脹，這是一個奇怪的事實。(C)錯誤，fact後面使用的關代為thatEx:We have to lie and hide the fact that I have an illness.