题目内容
In order to gather material for my thesis, I had to ________ through dozens of old books on economics.
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When she spoke about the tragic events, there was more than a _______ of sadness in her voice.
The ego ideal of young children is based on those clot to them, usually the parents, and later on other educators who have some ______ to their parents.
As her door began to open, she ________ for the telephone, and then dropped the receiver as Luke walked in.
The students have been advised to be more realistic and not to set their aim too _____ or too complicated to carry out.
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