I’m not sure whether John ______ his parents has arrived.
--- What did your parents think about your decision?--- They always let me do _______ I think I should.
See the flags on top of the building? That was _______ we did this morning.
Our club is open to adults only.________your children have entered without permission.
I want to know ______the thief was caught on the spot.
The old lady’s hand shook frequently. She explained to her doctor ________ this shaking had begun half a year before, and ________, only because of this, she had been forced to give up her job.