英语语法问题
1,duringthesummerholiday,severalthousandpeopleadayvisitthepark,whichisknownforitswaterfallsandrockformations为什么不能改成duringthesummerholiday,knowningforitswaterfallsandrockformations,severalthousandpeopleadayvisitthepark
2tadpoleshatchandmetamorphoseintosmallreplicasofadultfrogsalthoughremainingintheiraquaticbirthplace为什么要改成
2tadpoleshatchandmetamorphoseintosmallreplicasofadultfrogswhileremainingintheiraquaticbirthplace