If you _____ smoke, please go outside.

Do you know ______ this dictionary belongs to? — Let me see. Oh, it’s _______.

Who are you talking _____?—Mrs. Sun. She is very ill.[ ]

This isn’t ______ iPad, mine looks the same as ______ .

What does Mrs Li teach?—She is ________ English teacher, and she teaches __________ English very well.