he has to practice the guitar .为什么practice不表现动词变位?

he has to practice the guitar .为什么practice不表现动词变位? practice the guitar对吗? practice the guitar she has to practice her guitar .这句话对吗 practice the guitar的中文 He should practice _____ the guitar every day. the best way is to practice more.more为什么不放practice前 改错practice play the guitar every day Tom ( ) the guitar very ofter.Last monday he ___(practice)__ He often practice < >(play) the guitar every day(根据括号内的单词填空） i have to practice the guiter every day.（对play the guitar 提问 I practice the guitar every day.（用have to改写句子） I ___ ___ ___