--- ______ was it ______ they discovered the entrance to the underground palace? --- Totally by chance.
Preparations are being made for the Olympic Games ______ in Brazil in 2016.
Mr Green has two daughters, both of____ are doctors.
_____from what he said, he must be the thief who has stolen the car.
Can you make sure _______ the gold ring?
It’s no good ________about his grades.