We spent many years studying the formation of rocks , experiencing many sufferings and even death. But our hard work in the end , and we made it.
A booking-office is a place _______ tickets are sold.
This is the reason _______ he was absent.
Listening to loud music at rock concerts ____ caused hearing loss in some teenagers.
______ the task is difficult, they managed to complete it on time.
That’s where I _______ live when I was a child.