ws it’s almost impossible to finish the,task he but he wants to have a try ______

Your T-shirt looks nice. Is it ______wool? —-Yes, and it’s a ______Inner Mongolia.

下列各组句子中加点字的意义和用法完全相同的一组是（ ）

ws shocked the public, to great concern about students’safey at school.

下列句子没有语病的一句是( )