1,The issue is whethere this technological innovation has..........more harm than good. A.done B.played C.made D.brought 2,Presumably, most parents................... are always worrying about their children's safety buy mobile phone for them to track their where abouts. A. which B. whom C. who D. what 3,.............., we cannot deny the fact that text messages have been used by buillies to intimidate fellow students. A.Moreover B.However C. Therefore D. So that 4,There is also...................... evidence that texting has afected litetracy skills. A. indisputable B.arguable C.doubtless D.unhesitating 5, Personally speaking, they are invaluable when it comes to making social or business arrangement at short ........... . A. time B.warning C.term D. notice