B.Complete the following sentences with the expressions given.(P59) 1.boil down to (整个讨论归结起来就是) the question of whether college students should be allowed to get married. Key:The whole discussion boils down to 2.take the trouble to do... No wonder you are not sure about the word! (你没有花心思去查词典) Key:You didn't take the trouble to consult the dictionary. B. Complete the following sentences with the expressions given. (P59) 1. boil down to （整个讨论归结起来就是）____________________________ the question of whether college students should be allowed to get married. Key: The whole discussion boils down to 2. take the trouble to do… No wonder you are not sure about the word! （你没有花心思去查词典） _______________________________________________ Key: You didn’t take the trouble to consult the dictionary