Vocabulary and Structure
Please complete the following sentences with the proper forms of the words giver.
1.Alcohol and tobacco are both highly_____substances.(addict)
2.The authorities attached much_____to his visit.(significant)
3.We can.t make a______based on hearsay and guesswork.(decide)
4.The President spoke of a shared_____to world peace and economic development.(commit)
5.Poor educational performance is sometimes related to_____disturbance.(emotion)
出自:大学英语1

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