Are these books ________? —No, they are not mine. They belong to ________.

Hewent _____ his way _____ some flowers for his mother.[ ]

How long has the train been away?—Sorry. I don’t know. By the time I got here, the train ________.

If you are feeling , you should share problems with your friends or your family members.

Mr Liu is a very popular doctor, so he is always busy______his work.[ ]