Look! The man at the gate ____ be our headmaster. He is always standing there every morning.– No, it _____ be him. He is holding a meeting in the office now.
Xi’an is really a fascinating city andwe’ve decided to stay for two weeks.
The flowers ______ my mother, but my sister thought they were for her and took them.
Our holiday cost a lot of money.— Did it? Well, that doesn’t matter ________ you enjoyed yourselves.[ ]
In crowded places like airports and railway stations, you _____ take care of your luggage. [ ]