第一句,not only...but also...后面所接的应该对等,因为整个句子是说“他”,所以没有必要用两个“he”.此句改为
He was not only experienced in work,but also engaged in writing books.
第二句对的.
第一句,not only...but also...后面所接的应该对等,因为整个句子是说“他”,所以没有必要用两个“he”.此句改为
He was not only experienced in work,but also engaged in writing books.
第二句对的.