improve,vocabulary,diaries,compositions,spirit,mind,wide,background各是什么意思?

是improve vocabulary 还是increase vocabulary? improve,vocabulary,diaries,compositions,spirit,mind,wide,background各是什么意思? vocabulary vocabulary Miss li asks us to concentrate our attention_____ improve our vocabulary?A in B on C to求回答, improve To improve your english,you need lots of practicea improving b improve c improved d to improve为什么选d, 英语翻译The frequent change of English teaching textbooks is to enlarge learners' vocabulary and improve their grammatical competence.专业一点，因为这个问题我要写在试卷上的， The best way to improve your vocabulary is through reading.请问through在这里是什么词性?是prep还是adv?为什么? Reading history books______our knowledge of the past.A.helps improve B.helps improving C.help to improve D.help improve Vocabulary &Grammar Vocabulary是什么意思 vocabulary是什么意思 ___hard,you___your English.A.Work;will improve B.Working;will improve C.Work;improve D.Works;will improve选哪一个,为什么 The best way ___ your English is __ an English job.A.improve;join B.to improve;to join C.improve;joining D.improve;to join The sentence needsa.to improve b.improve c.improbing d.improved John's pronunciation needs A improve B improving C to improve D improved Why not___Tom___his English?A.help,improve B.to help,improve C.help,improving D.tohelp,improving