_____ Chinese are learning English for a better future.
I hate people _______ talk much but do little.
---Where is the scientist ________ gave us the talk yesterday?---He has gone back to Qinghua University.
The letter _______ I received from him yesterday is very important.
---Does the teacher know everybody _______ planted the trees?·---Yes, he does.
I don’t know if he tomorrow. If he , I’ll meet him.