He _______ after he chatted with his parents online.
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.
The woman ________ when she saw the boy in the shop.
He used to _____ with her parents, but now she is used to ____ with herclassmates at school.