You()be careful with the camera. It costs!
----You don’t go to that supermarket quite often, do you?----No,I only go there ________ because it’s too far away from my house.
While staying in the village, James unselfishly shared whatever he had with the villagers without asking for anything ______ .
– You look so young. Haven’t you graduated from your university ?- Yes, I _______ in the English Department of Zhejiang Normal University for four years.
_____ doing more exercise to lose weight, many teenagers would rather be a couch potato.
As a famous public figure, you have a duty to _______ yourself, especially in public places.