– Look at the lady there. ______ it be Miss Li? -- No, it ______ be her. She left for Paris this morning.

The ground isn't wet. It ________ have rained last night.

I ______ follow you. Would you please repeat it?

— Must I go to medical school and be a doctor like you，Dad?— No，you__________，son．You’re free to make your own decision．

 — What does the sign over there say? — No person _________ bring drinks into the student computer room.