You look so happy, Linda.—Yes, Sandy. I have______ to tell you.

Listen! . —Oh, let’s go to the classroom. [ ]

_____, it was very difficult, but about an hour later it became easier.[ ]

Have you ever been to Shanghai, Mary? — Yes. I _______ there for three clays with my parents last month.

We’ll be back for our school’s _____ anniversary ceremony(周年庆典). –I see. That means you’ll have a get-together with your classmates in ___ years.