Hello! May I speak to Alice?—Sorry. She isn’t here right now. She ________ to the library.

My father is used to _______ in the country. He doesn’t want to move to the city.

When did Hong Kong return to our motherland? — ____ 1997. [ ]

Did you visit the 23rd National Books Expo last month?–Yes, it was really ______. We saw many famous people, like Mo Yan, Ni Ping and Yu Dan.

Mike, why did you make no reply to me when I called your name in the street just now?-Sorry, Tom. I_______ to my mother on the phone.