uld speak both English and French,but _________ is hard to believe.

The man in a black cap _______ be our maths teacher.—-It _______ be him. I saw him in the laboratory building some minutes ago

is developing a rural health careservice system, ____ I’m sure more residents will benefit.

I won’t go there _________, though I used to go there every year.

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。