There are nine books in the library.
That is the man ____ ___ saved ten children in the earthquake.
-- _______ the soldiers are very tried, __ they keep on working.--They are great. We must learn from them.
--Could you tell me something about Zheng He?--Sure. He was a Ming Dynasty explorer __ the Chinese people are proud of.
That’s the man __ house was destroyed in the storm.
Bill won’t make any progress __ he studies harder than before.