-- Is that girl Susan?-- It ______ be her. She left for Beijing yesterday.A. needn't B. can't C. mustn't
Your mother know the truth, but I am not sure.
—When will his party begin? —I am not sure. It _ be at 8:00 p.m.
Just like weather, life_______ be sunny and beautiful all the time.
This kind of computer ________ well. It ________ out soon.
The flowers in the shop _______, so they _______ well.