I like the little girl, so I tried to help ______.

—How about the pollution in the countryside?—Luckily, it's not as serious as _______ in the big cities.

——Do you know the man wearing a pair of glasses?-------Yes.He’s a teacher of _________.He teaches _________history.

 ---Where are your brothers?    ---________ in the classroom.

I lost my school ID card. I can not find    .