_____ he has done it is surprising. _____ he has done is surprising.
That was the only gate _____ we could rush out and save those _____ were in great danger.
All of the flowers now raised here have developed from those _____ in the forest.
On the table she found a piece of paper _________some puzzling secret codes.
The number 9.11 is a special number, ____, I think, that will be remembered by the Americans forever.
We are going to discuss the way of reading works ____ it is used for real life purposes, and this should give you a better understanding of it.