this term I'm very busy with a heavy load of开头的改错文章

this term I'm very busy with a heavy load of开头的改错文章
this term I'm very busy with a heavy load of
开头的改错文章

this term I'm very busy with a heavy load of开头的改错文章
this term I'm very busy load with a heavy
求最佳

把of去掉，它是多余的。这个学期我负担很重