What’s the matter with Paul?—A letter from his parents in New Jersey _________ as attack of homesickness.

依次填入下列横线处的词语，最恰当的一项是（ ）①朝鲜中央电视台各栏目的创新引起韩国媒体关注，新闻主播 年轻英俊的“花美男”，不再是年老穿制服的那些熟悉面孔。②习近平总书记强调，坚决抵制享乐主义和奢靡之风，努力使________节约、反对浪费在全社会蔚然成风。③为了弄清这句话的出处，判断对方说法的真伪，老先生跑了许多图书馆，________了大量的文献资料。

My brother kept on ______TV for about three hours.

The number of farmers with Internet access has dramatically increased, _____the way farmers do business.

I wonder________ Mary has kept her figure after all these years.—By working out every day.