(2 The photographer was changing film when the building shudders andv collapses The photographer was changing film when the building shuddered and collapsed (3)I was extremely sorry you are injured I am extremely sorry you are injured
(2) The photographer was changing film when the building shudders and collapses. The photographer was changing film when the building shuddered and collapsed. (3) I was extremely sorry you are injured. I am extremely sorry you are injured
(4) Mike cannot keep orchids(兰花) alive, but geraniums(天竺葵)are easy for him to grow Mike cannot keep orchids alive, but he finds it easy to grow geraniums
(4) Mike cannot keep orchids(兰花) alive, but geraniums（天竺葵） are easy for him to grow. Mike cannot keep orchids alive, but he finds it easy to grow geraniums
(5)Shirley won the first prize, while her brother was awarded the second Shirley won the first prize, while her brother got the second
(5) Shirley won the first prize, while her brother was awarded the second. Shirley won the first prize, while her brother got the second
(6) Roger crossed the goal line, and the winning touch-doWm触地 得分 was scored Roger crossed the goal line, and scored the winning goal
(6) Roger crossed the goal line, and the winning touch-down(触地 得分) was scored. Roger crossed the goal line, and scored the winning goal