1.本课课程的核心句有He says that he feels tired. They say that they feel thirsty. She says that she is cold.
2.本课课程的核心句有He says that he is ill. He says that he's got a cold. She says that she's got a headache.
3.本课课程的核心句有He says that he's got an earache. They say that they've got toothache. He says that he needs a haircut.