【正文】
ight, could 有可能,也許 ( 20%~80%的可能性) can’t 不可能,不會(huì) (可能性幾乎為零) . The dictionary must be mine. It has my name on it. The CD might / could belong to Tony because he likes listening to pop music. The hair band can’t be Bob’s. After all, he is a boy!