— Have you finished your paper?
— Not yet. It will be another two weeks _____ I can get it done.
| A．when | B．since | C．while | D．before |
Doris' success lies in the fact _________ she is co-operative and eager to learn from others.
| A．which | B．that | C．when | D．Why |
These shoes look very good. I wonder __________.
| A．how much cost they are | B．how much do they cost |
| C．how much they cost | D．how much are they cost |
He spoke proudly of his part in the game, without mentioning ________ his teammates had done.
| A．what | B．which | C．why | D．while |
One advantage of playing the guitar is _________ it can give you a great deal of pleasure.
| A．how | B．why | C．that | D．when |
--- What did your parents think about your decision?
--- They always let me do _______ I think I should.
| A．when | B．that | C．how | D．what |