英语作文语法写作文有些句子不确定,麻烦修改下.1.I have thoroughly enjoyed the time spent in the company.2.I have thoroughly enjoyed the time having spent in the company.3.Only in these ways can we keep harmonious coexistence between human and nature.4.Our university have the best graduate program of chemistry.5.extend my heartfelt apology.

英语作文语法
写作文有些句子不确定,麻烦修改下.1.I have thoroughly enjoyed the time spent in the company.2.I have thoroughly enjoyed the time having spent in the company.3.Only in these ways can we keep harmonious coexistence between human and nature.4.Our university have the best graduate program of chemistry.5.extend my heartfelt apology.