22) its plans to promote disarmaments,the party has decided to establish a campaign headquarters with Benjamin Seaman as its leader.
[A]Although[B]To carry out[C]Except that[D] Make
23) pure lead,the lead ore is mined,then smelted,and finally refined.
[A] Obtaining[B] Being obtained[C] To obtain[D] It is obtained
24) When they met,Leonardo and his enemy were fighting.
[A]killed each other[B]killing each other[C]to be killed each other
[D]to kill each other
It's very kind of you to say so. / I am pretty pleased to hear the news that you are elected as the president of the club. / I'm sorry to interrupt you. / They are quite surprised to see the great changes taking place in the area.