摘要：The secretary worked late into the night, a long speech for the president. A. prepared B. was preparing C. preparing D. to prepare
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The secretary worked late into the night, ______a long speech for the president.
A. to prepare B. preparing C. prepared D. was preparing
查看习题详情和答案>>The secretary worked late into the night, _____a long speech for the president.
A. to prepare B. preparing C. prepared D. was prepared
查看习题详情和答案>>The secretary worked late into the night, _____ a long speech for the president.
A．to prepare B．preparing C．prepared D．was preparing
查看习题详情和答案>>