The artist made up his mind to devote all his time ____his English before going abroad.A improve B to improve C to improving D improving选什么,为什么?句子中的TO怎么区分是介词还是不定式？

made up 例如：the bottoms were made up of. The artist made up his mind to devote all his time ____his English before going abroad.A improve B to improve C to improving D improving选什么,为什么?句子中的TO怎么区分是介词还是不定式？ This artist made up his mind to devote all he could_____ his English before going abroadimproing 我不太理解 the two countries have made up and made a connection. What is the sun made up of? what is the world made up The time that made me grow up The new book ____three partsis made ofis made fromis made into is made up of 艺术家 THE ARTIST怎么样 THE KILL ARTIST怎么样 THE RESCUE ARTIST怎么样 The earths surface is mostly__water.made from B.made of C.made up of D.made up The pyramids are made of h---- stones Reading comprehension 1Reading comprehension 1 (2) The writer was surprised because ____.A：the artist began to draw at the head of the horseB：the artist began to draw at the tail of the horseC：the artist made his own ruleD：the artist did not 这句英语怎么句型转换when i was a child ,i made up my mind to be an artist（ ）a child,i（ ）to be an artist PUA=pick up artist 是什么意思 I'm amazed at the full use he has____ the information downloaded from the InternetA made from B made up C made up for D made of After saying that,he ____ the door quickly.A .made up B .made for C .made out D .made