The museum for eight hours every day and it at 4:00 p.m.
Please pass me the cartoon book ________ has a Mickey Mouse on the cover.
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.