Look at the pictures and choose the suitable colour for each idiom.

Write one word in each gap.

green, black, red, blue

1. A [ ] sheep.

2. To catch someone [ ]-handed.

3. The [ ] light.

4. Once in a [ ] moon.

Match these idioms with their meanings.

Write one number in each gap.

Very rarely. [ ]

A permission. [ ]

An odd or bad member of the group. [ ]

To catch someone when they do something wrong or illegal. [ ]