This is an interesting book ______ I have ever read.
We should do exercise as _______ as possible to keep _______.
We should do everything we can _______ the birds _______ danger.
My scarf made of silk feels _______ and _______. Ms. Cao also wants to buy one like mine.
There are _______ visitors to the wetland park, and the number is becoming _______ now.
—My son seldom has _______ breakfast.—It is _______ unhealthy lifestyle. You must ask him to change it.