28. The firm invested approximately 60 million dollars in________it says is the world’s largest bottle-bottle recycling plant.
Mary is being punished(惩罚) by the headmaster. That was______ she broke the school rules.
He is looking forward ________his father.
I was about to have a shower______ the telephone rang at the bedroom.
—Shall we go out for dinner tonight? —______.
Only when I left my parents for Italy ______ how much I loved them.