After the heavy snow, many students helped to clear away the snow ______ in our school.

However, they can hardly blame me; it is ________ their own fault.

Nobody could believe what Chloe says because she is ___________ changing her mind.

I might fail, but _______ I insist on doing it. I don’t mind what the result will be.

His speech was extremely boring that it was ______interrupted by applause and cheers.