The change was so _____ that we hardly noticed it.

You can’t be ______ when you camp _____ a high altitude, ________ the air is thin.

The twins are so much _______ that their parents can’t tell one from the other sometimes.

Being a          person, Aunt Li wouldn’t let anyone or any difficulty stop her.

I’ve asked several people what happened, but no one will give me a          answer.

According to the statistics, young drivers are more ____ to have accidents than older drivers.

—Is it OK that I sit here?
—Come a little ____ to me. I have something important to tell you.

The baby cried again. The young mother felt very ____ and her husband wore ____ expression on his face, too.?

Sometimes children are _______ enough to create ______ stories.

The patient is supposed to go to the hospital for ___________ checks.