---Is the girl in the red skirt your sister?---No. It _______ be her. She has flown to Australia.

--Look! The girl passing by must be a newcomer!---No, she _______ be a newcomer. I’m sure it is at least one year since she came to live here.

Anyone whose performance is best received by the public____ be given an opportunity to show their talents at the Great Hall of the People in Beijing.

How kind you are! You always do what you can_________me.

Very loud noises       make people ill. So we       make great noise.