We all find ________dangerous to skate on the thin ice.

There are going to be ____ winds tomorrow.

The shop opens at 8 a. m every day and it _________ from 8 a. m. to 8 p. m.

We don’t believe _____ little children can do ____ much work in such a short time.

Tom’s uncle has devoted _________ to charity since he came to China 20 years ago.