—Is there anything wrong, Bob? You look sad.—Oh, nothing much. In fact, I __________ of my friends back home.
Both students and parents appreciate the great importance schools have ______to eyesight protection.
--- Cathy, why does your roommate look angry? --- I’m also feeling puzzled. Maybe I ______ a nerve while asking about her former boyfriend.
It is obvious ______ the local government can do to protect the environment for the next generations.
— Why do you think he is feeling spiritless? — Because staying up late makes him at his worst ___________ physical situation.
--- Hi, Tom. Does John have any hobbies? --- _______, swimming will appeal to him most strongly.