---Good morning. I’ve got an appointment with Mr Smith in his office. ---Morning. You ________ be Mr Jones. This way, please.

---Must Jack come to sign his name on the paper?---Yes, he_____ .

You were stupid to try climbing up there. You ______ yourself.

(2014·北京101中学综合训练一)When he was there，he________go to that coffee shop at the street corner after work every day.

(2013·安徽师大附中高三七模)Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.