He was wearing a lot of clothes to _____ himself from the cold.

--You’ve made great progress in your studies of English, haven’t you? --Yes, but much ______.

The girl _____ to be a good dancer if she is well trained in an art school.

After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees ________ shade and ________ down to have a rest.

The final examination is coming up soon. It’s time for us to___our studies.