We’re tired because we have ________ yin.
—How does your father go to work? —He ________ a bus there every day.
I often go to school ________ my father’s car and go back home ________ foot.
I never go to school by bus;I walk to school ________.
—________ your teacher ________ home? —Yes,she does.
—That’s a nice toy.Could you tell me________? —I made it with my uncle’s help.