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【題目】It was not until I suffered hair loss ________I realized the harm of staying up late.

【題目】Tom was about to close the window　　　　his attention was caught by a bird.

【題目】I am afraid to tell you that we don't permit__________here.

【題目】How much should the lady pay if she buys two T-shirts?

【題目】How does the woman feel about the art exhibition?

【題目】What does the man mean?

【題目】Seeing the happy________of children playing in the park，I’m full of joy and confidence in the future of our country.

【題目】What is the man sorry for?

【題目】In his own restaurant，he would immediately fire any employee who was ________ to a customer.

【題目】As there was not much chance to find good jobs in their hometown, a lot of young people tried to ________ their fortune in cities.