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.

These aren’t ________ cards. They’re_______

The song sounds_________. I like it very much.

Is your ipad white, Mandy? —No, it isn’t. _______ is black.

Li Na is _____________ first Asian who won championship in French Tennis Open.—We’re proud of her！