—Was it there _______ you were away to answer the phone?
—There is no doubt about it.
| A．that | B．which | C．while | D．Where |
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 |
See the flags on top of the building? That was _______ we did this morning.
| A．when | B．which | C．where | D．what |
Our club is open to adults only.________your children have entered without permission.
| A．There seems that | B．It seems to be | C．There seems to be | D．It seems that |