1. (2019八下·湘桥期末) When will the plane take off?

Ladies and gentlemen, flight 7331 to Shanghai will take up in 15 minutes.<br />Please get on board.<br />Oh god, it's already 7. We must hurry up.<br />Ladies and gentlemen, flight 7331 to Shanghai will take up in 15 minutes.<br />Please get on board.<br />Oh god, it's already 7. We must hurry up.