The earthquake measured 8.0 in Wenchuan, Sichuan Province was recorded as ________ since 1976.
In our classroom, the pupils work in groups, _______ helps them to learn to co-operate, to share and to develop leadership skill.
We agreed to accept _______ they thought was the best professor in the college.
I think Father would like to know _______ I’ve been up to so far, so I decide to send him a quick note.
Here are all the books I have.You may borrow _______ you like.
Father made a promise _______ I passed the examination he would buy me a bicycle.