题目内容
________ to my regret, I am unable to accept your warm invitation.
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There was no news; ________, she did not give up hope.
Listening, speaking, reading, and then writing ________ the basic order in language learning.
Robin thought that the best ________ to learning a foreign language is the study of the spoken language.
If you try to learn too many things at a time, you may get ________.
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