------- Gina , isn’t this book   ________ ?----- Yes , it used to belong to    ____  , but from now on it isn’t .

---Which would you like, tea or coffee? ---___________ is OK. I really don’t mind.

—Which do you prefer, coffee or tea?—______, thanks. I’d like a glass of water.

Tom,      my good friends, Jim and Mike.

The colours of his clothes are different from__________of yours．