【我在写作文的过程中有些疑惑之处,请详细分析,①Heisalikablepersonwhonotonlyhasastrongsenseofresponsibilitybutalsoiswillingtoreachouthishelpinghandstopeopleintrouble.这里用notonlyhas...怎么觉得怪】

　　我在写作文的过程中有些疑惑之处,请详细分析,

　　①Heisalikablepersonwhonotonlyhasastrongsenseofresponsibilitybutalsoiswillingtoreachouthishelpinghandstopeopleintrouble.这里用notonlyhas...怎么觉得怪怪的?是不是用doesnotonlyhave好一些?

　　②Luckilyenough,ourmonitorvisitedmeeverydayandofferedtomakeupthemissingcourseforme,thankstowhichthatIdidn'tfailthefinalexam.这里的...thankstowhichthat...

　　③Mysuggestionsareasfollows.这里是用逗号还是句号还是冒号?