An excellent musician can not only sing songs wonderfully but also ______ songs and even play several kinds of musical instruments.
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.