do you know how much time and effdo you know how much time and effort they devoted —— such a complicate work?A to complete B to completing 选哪个

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doyouknowhowmuchtimeandeffdoyouknowhowmuchtimeandefforttheydevoted——suchacomplicatework?AtocompleteB

do you know how much time and effdo you know how much time and effort they devoted —— such a complicate work?A to complete B to completing 选哪个
do you know how much time and eff
do you know how much time and effort they devoted —— such a complicate work?A to complete B to completing 选哪个

do you know how much time and effdo you know how much time and effort they devoted —— such a complicate work?A to complete B to completing 选哪个
B devote to doing sth 或者是直接的devote to sth

B
因为 sb devote sth to doing sth

谢谢！错绝对是对的，我是老师。高中啊？你划哈句子成分啊，，发来同学，是对的。
记住这个用法，sb devote sth to 名词或者doing动名词
或者 sb devote oneself to 词或者doing动名词划句子成分Do you（主语） k...

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B
因为 sb devote sth to doing sth

谢谢！

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选A 望采纳

do you know how much i love how much do you know really about HOW MUCH DO YOU KNOW ABOUT How much do you know about AIDS Do You Really Know How Much You Mean to Me? How much do you know about the Olympic Games? 连词成句Australia,much,know,you,do,how,about How ( ) do you know about headaches?many还是much? how much do you know about England是回答 How much do you know about Olympic Games? Do you know how much these cakes are? do you know how much i love u 缩写 How much do you know about our solar system? how do you know How do you know? Do you know how much I miss you?so you know.中文意思? ( )interesting stories do you know?A,how much B,how many C,how often 为什么用How much do you know about her?而不用How many do you know about her?