He used to () his teaching when he was young;

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He used to () his teaching when he was young;
a devote to
b; be devoted to
c;devoting to
d;being devoted to

C 我肯定．
选A意思不对．
used to + do："过去常常"表示过去习惯性的动作或状态,但如今已不存在.
Mother used not to be so forgetful.
Scarf used to take a walk.(过去常常散步)
be used to + doing：对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词.
He is used to a vegetarian diet.
Scarf is used to taking a walk.(现在习惯于散步)
典型例题
---- Your phone number again?I ___ quite catch it.
---- It's 69568442.
A.didn't B.couldn't C.don't D.can't
答案A.本句虽没有明确的时间状语,但从语意上看出,在听的时候没有听懂这个动作发生在过去,因此应用过去时.

He used to () his teaching when he was young; He used to be devoted to his teaching when he was young; When he was young,he used to spend his ______ time collectin He used to ride to school when he was young but he is used t When he was young,he used to_hard at his lessons. A.devote t he ____ smoke when he was very young.A.used to B.likes to C. 句子He used to take stairs two at a time when he was young. When he was young,he ______ the old man.A.used to call on B. He used to get up at six when he was young.改成一般疑问句英语句子1、He used to visit his grangparents when he was free.(改为 His parents died when he was young,_________,he had to find 英语翻译No.1Tom left his hometown when he was young.He went to A