I find this book ________ for a six-year-old child to read.
It’ time _______ a picnic. We can’t help _______.
---You look so sad. What has happened? ---Everyone _______ us to win, but we lost.
--- Have you ever to Xi’an, Betty? ---Yes. I there last month.
--- ? ---I’ve just read a copy of newspaper about the new cartoon.
---Has your Chinese teacher been to the USA? --- Yes. She has been there twice.