It is a great pity that the band which Jack was a member of ____ after 26 years of playing together on stage.

ering the time limits, we also provide CDs________ our students may prefer to study at home.

Wearing a（n）expression in the class, he was scolded by the teacher.

mother got sick, so she called______.

Miss Gao asked a question， but it was ___________that nobody could answer it.