6．D．Listen to the passage and complete the following sentences（听短文，完成下列内容．每空格限填一词）（10分）
21．Maria and Lucy used to __________ __________ together，shopping and meeting friends．
22．It takes Lucy all her time to send messages and she doesn't __________ __________．
23．Lucy checks for messages __________ __________，so she's got problems at school．
24．By __________ __________ in the morning，Victor had already drunk three cans of cola．
25．When Damon tried to talk to his brother，the brother was __________ __________ him．
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