“Let It Go”, a song from Disney’s 2013 Frozen, has gained international recognition, ________ numerous cover（翻唱）versions recorded in 25 different languages.

I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn. [ ]

What it be? — It be a man, for it is not moving. It be a dustbin, I think.

s go swimming, shall we— ____.

Jane became so angry about the fact that her roommate gave in to ___________and opened her precious box and read the letter inside addressed to her.