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

Can I use your bike this afternoon?_______ is under repair.－No problem. Here’s the key.

I’d like to have visited the Palace Museum, but something unexpected _______ to my father.

I will tell Betty the good news as soon as she_____back home. [ ]

His home is _____ his school. So he walks to school.