He has become very famous and successful请问为什么不是became?

he has become a He has become very famous and successful请问为什么不是became? Although he has become rich,he is still very ___ of his money.具体如下,说明原因Although he has become rich,he is still very ___ of his money.A.economic B.thrifty C.frugal D.careful 英语翻译Stephen Hawking can't walk or even speak,but he has become very successful.打错了 英语翻译BACKHAND ; He has a very nice BH that needs more repetition and confidence and combine this with a BH slice down the line and backhand approach tactics.His BH looks very smooth ad I am sure with training on set plays the BH can become a f The river has become very dirty和the river has been very dirty 哪个对 英语翻译He has become all things to all men. He has become a teacher.这句里的become难道不应用过去分词? The man ________a lot,he ________ fatter.A:has changed; has become B:changed;become 应该选择A吧 My brother joined the League _________ March 24,1990.He _____a League member for six yearson,has become .on,has been in,has been in,has become Difficult work ______ easy if you do it very carefully.A.become B.became C.will become D.has become 请说明why? He is very clever,he often has o_____ ideas. He has few friends though he is very r____. he has a _____daughter.he loves her very much. He becomes very famous He has a lot of m_________ he seems very w---about what he has done 填空reading harry potter has become very popular a...many students these day The cat become very