【题目】Nobody taught her French. She learned it all by________ (she).

【题目】The police ________ a careful search of the block, but failed to find the suspect.

【题目】There _________ a music festival in Lanzhou University next Saturday evening.

【题目】Be careful! Don’t forget there is ________ “u” in the word “succeed”!

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【题目】Fewer babies are born in China these years. This is ________ because today’s young people have different ideas about becoming parents.

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