—Come and join us, Jimmy!---I’m sorry, but I’m really busy now. If I ________ time, I would certainly go.
--- I take the book out? ---I'm afraid not.
It is _____ to cycle around Guilin.
My shoes are broken. They need ________.
He _____ in Shanghai for five years.
____ the Forbidden City is almost 600 years old, _____ it is still very beautiful.