-Haven't seen you for ages! Where have you been? -I went to Ningxia andthere for one year, teaching as a volunteer.
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.
Though lacking________, the young teacher manages the class very well.