happened to be no one in the building when the fire broke out.
| A．It | B．There | C．This | D．That |
In our classroom, the pupils work in groups, _______ helps them to learn to co-operate, to share and to develop leadership skill.
| A．which | B．that | C．who | D．what |
We agreed to accept _______ they thought was the best professor in the college.
| A．whatever | B．whomever | C．whichever | D．whoever |
I think Father would like to know _______ I’ve been up to so far, so I decide to send him a quick note.
| A．which | B．why | C．what | D．how |
Here are all the books I have.You may borrow _______ you like.
| A．that | B．which | C．however | D．whichever |
Father made a promise _______ I passed the examination he would buy me a bicycle.
| A．that | B．if | C．whether | D．that if |