—I heard a young fireman lost his life in the big fire.
—What a pity! ________I don't know who he is, I know who he is for. He is our hero forever.
句意：——我听说一位年轻的消防员在大火中牺牲了。——好遗憾！尽管我不知道是谁，但是我知道他为了谁。他永远是我们的英雄。
考查连词。but但是；so因此；although尽管；because因为。“I don't know who he is”是让步状语，用连词although表示“虽然，尽管”，故选C。
—I heard a young fireman lost his life in the big fire.
—What a pity! ________I don't know who he is, I know who he is for. He is our hero forever.
We were not good friends ________we saw each other, but gradually, we got along better and better.
— It’s said that Zhou Jielun will hold a concert next month in Xiangyang.
— I’m sure the fans will be happy _______ it’s true.
We will never see Kobe play another basketball game, ________we will always remember him.
It's not easy to change habits, ______ with strong will and self-control, it is possible.
She says that she'll have to close the restaurant ______ business improves.
The boy is not very tall, _______ he runs very fast.
You will feel cold _______ you don't wear a coat.
In some cities of China, you'll get fined ________ you don't walk along the crosswalk while crossing the road.
Vivian will take her daughter to the amusement park________she gets the tickets．
