5．It is said that her life was devoted to________homeless children.

A．care for　 　B．helping

C．look after　 D．caring of

解析：选B。to是介词，后面接动名词。

4．Lei Feng was a soldier who________the people and Chairman Mao used to speak highly of him.

A．devoted himself to serve

B．devoted himself to serving

C．was devoted to serve

D．devoted himself in serving

解析：选B。表示“致力于，献身于”应使用devote oneself to或be devoted to，其中的to是介词，之后必须接动名词、名词和代词，不能接动词原形。

3．Mr.Reed made up his mind to devote all he had to________some schools for poor children.

A．set up 　　　B．setting up

C．have set up　 　D．having set up

解析：选B。此题中的had to与set up并不构成搭配，因为he had 为定语从句，修饰先行词all，set up应与devote all...to构成搭配(devote...to...中的to为介词，后接名词、代词或动名词)，即devote all to setting up。

2.________to his research work，the professor cared little about any other things.

A．Devoting 　　　B．Devoted

C．Having devoted　 D．To devote

解析：选B。devote是及物动词，一般用法是sb.is devoted to(doing)sth.或devote oneself to(doing)sth.。本句中the professor和devote之间存在逻辑上的动宾关系，故用过去分词形式devoted作原因状语。本句话意思是“教授致力于研究工作，对其他任何事情都关心甚少”。

1．My mother used to________her teaching when she was young.

A．devoting to　 B．devote to

C．be devoted to　 D．being devoted to

解析：选C。sb.be devoted to sth./doing sth.专心致志于，忠于，很喜欢。used to“过去常常”，后接动词原形。

5．那时，我才意识到自己犯了个错误。(only then)

________________________________________________________________________

答案：Only then did I realize I had made a mistake.

4．杰克因为盗窃被判处两年监禁。(be sentenced to)

________________________________________________________________________

答案：Jack was sentenced to two years in prison for stealing.

3．他们成立了一个组织来帮助那些无法接受医疗的人。(set up)

________________________________________________________________________

答案：They set up an organization to help those who can’t receive medical care.

2．事实上，我不喜欢在公众面前受表扬。(as a matter of fact)

________________________________________________________________________

答案：As a matter of fact，I don’t like to be praised before the public.

1．因为大量的人失业，所以需要新的工作岗位。(out of work)

________________________________________________________________________

答案：New jobs are needed because a number of people are out of work.