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【題目】It is no use ____ me not to worry.

【題目】Before Tom left home, his mother kept telling him to _______ his manners at the party.

【題目】By reading the story, you may understand ______ to be successful.

【題目】Only if a teacher gives permission _________ to enter the room.

【題目】The education of _______young is always _______ hot and serious topic in modern society.

【題目】

【題目】The thief took away the woman's wallet without ____.

【題目】The ____ in the government economy are beginning to show.

【題目】There was _____ between the police and the public in catching the criminal.

【題目】Those who worked whole-heartedly without _____ should be praised.