She has a bad cold.
She's got a bad cold.
She's caughta very bad cold.
She's got a terrible cold.
She has caught a bad cold.或She has had a bad cold. 根据这句话"得了重感冒" 时态应该用现在完成时
She had a bad cold. or She caught a bad cold.
She had a terrible cold. (cough是咳嗽的意思)