Don't ________________(暴露) your skin to the sun or you will be burned.

Britain_________________(议定) a trade agreement with China.

Kindness is one of the prime minister's __________________(特征).

The police are watching the man's m _________________secretly.

What is your v __________________on Chinese education?

You should not r _________________the invitation from your old friend.

In the factory the workers______________(纺成线)wool into thread.

He has______________________(完成)the whole job already.