He made up his mind to do what he can (to improve) his English.此句中to improve的用法对吗?

made up his mind He has made up his mind to give up smoking he made up his mind to succeed where hi failed? He made a big decision.He_____.A made up his mind B changed his mind 选哪个 Finally he made up his mind to leave his hometown的意思 He has made up his mind to continue with his studies.s____ have I he made up his mind to learn Greek.同意句he (...)(...) learn Greek Finally he made up his mind to leave his hometown.答：At last he ( )to leave his hometown. once he[ ]to do something ,on one can hold him backA.will make up his mind B.is making up his mind C.made up his mind D .makes up his mind应选择哪一个,为什么 He's made up his mind to quit his job.语法分析为什么不写成:He's made up to quit his job. he made a big decision.可以说he made up his mind 不可以的话又用什么?请说出理由 He thought it____and made up his mind A Over B Away C on 选什么,为什么 Can you spell the new words e___?He made up his mind ___(study) English hard He has made up his idea/thought/mind/interest to learn another foreign language.哪一个,为什么 he made up his mind ____(be) a vetA beingB to beingC to beD was The day before yesterday,he made up his mind _____ (lose) weight.为什么填to lose 英语翻译he made up his mind to have that also.翻译成中文 he has not yet made up his mind what attitude to adopt towards her.