—Must I let my mother know it?—________.You can keep it as a secret.A. Yes, you must B. No, you mustn’t C. No, you needn’t
– What’s the matter? -- I have a ________ . I have to go to the doctor.
My little brother is so careless. He cut ________ with a knife.
My knee( 膝盖) is hurt, my mother put some medicine _______ it.
I ________ let him know it as soon as he ________ back.
There’s only one ticket. __________ you _________ he can go to the cinema.