英语语法问题:His parents are surprised ( ) his progress.括号里应填哪个介词?

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英语语法问题:His parents are surprised ( ) his progress.括号里应填哪个介词?to还是at?为什么另
英语语法问题:His parents are surprised ( ) his progress.括号里应填哪个介词?to还是at?为什么另一个不行?请详细说明一下,谢谢!～

答案是at,一般词组为 sb.be surprised at sth,某人对某事赶到惊讶,或者 sb.be suprised to do sth (这里的to是不定式,而不是介词)

英语语法问题:His parents are surprised ( ) his progress.括号里应填哪个介词? 英语语法问题:His parents are surprised( )at his progress.括号里应填哪个介词 ____of his parents,he made great progress. His parents are fine. His parents are (fine) 就括号部分提问 His family members are his grandparents,his parents and his he made great progress,making his parents happy. He made ____ little progress that his parents felt disappoin his parents are hard on His parents are dead .so his uncle----------his ------------ 23.His great progress in English made his parents really ___ his rapid progress in english made us surprised/ 　　　有什么语法点　A