（though 去掉）I still have many difficulties,English is not (an) easy language,but i find it very interesting.When i first (started) to learn it,i thought i (only need) to remember some new words and (learn) some grammar.later i （realized） (that) i had to pay more attention （to） pronunciation.spelling and english idions.only (by) this way can we learn it (well)
括号内是改过的