Guilin is __ worth __. Have you been to it?
Do you have any idea _______ is actually going on in the classroom?
Mary wrote an article on _______ the team had failed to win the game.
Doris' success lies in the fact _______ she is co-operative and eager to learn from others.
See the flags on top of the building? That was _______ we did this morning.
_______ makes his shop different is that it offers more personal services.