---Is that Lucy’s sister, Lily?---No, it _______ be her. She has gone to English.

一      I turn on the TV for you，Grandpa?一Yes，thanks a lot，my dear. You’re so considerate.

—Do you think the phone is genuine(真品)? —I don’t think it ______ be a fake, as this shop has a very good reputation. 

—       Jim        study hard these days?—Yes, he will (将) take an exam (考试) next week.

These broken pieces of plates don’t fit together, they ___________ parts of different ones.