题目内容
________ this happened is not clear to anyone. 这件事怎样发生的,谁也不清楚。
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________ I spend my summer is no business of yours. 我在哪里过暑假不关你的事。
Listen carefully and choose the word you hear.
Which of the following letter or letter group can be pronounced as /r/ in English?
Generally, the light /l/comes before the vowel or diphthong in a syllable, but what about the dark /l/?_____________ the vowel or diphtong in a syllable. (After; Before)(填写答案时，请注意正确句首字母大小写的要求。)
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