2. 外语
  3. The utility billing system was upgraded to ______ timely billing and collection of payments from delinquent accounts.

The utility billing system was upgraded to ______ timely billing and collection of payments from delinquent accounts.

admin2019-06-25  43
问题 The utility billing system was upgraded to ______ timely billing and collection of payments from delinquent accounts.
选项 A、assure
B、insure
C、reassure
D、ensure
答案D
解析 空格处意为“以……及时记账和从拖欠的账户中收取款项”，D项ensure“确保”后面可以接名词作宾语，代入句意通顺，符合要求，故选D。assure意为“使确信，使放心”，常用于assure sb．of sth．或assure sb．that结构，可从用法上排除。reassure“使……放心”后也接“人”作宾语。insure表示“给……保险”时，代入空格，句意不通；insure表示“确保”时，是ensure的美式拼法，但选项中有ensure时，优先选ensure。
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