English is too hard for me to study well. I don’t want to learn it any more.－Don’t . It is useful in the future.

What do you think of your brother?–He is honest and useful man.

At that time, he spent as much time as he can_______the ancient status which would be sank in the river.

Linda came back home very late yesterday, so her mother her.

Please send ______ my best wishes when you go to visit your grandparents.