2. 外语
  3. The engineers spent the whole night (work) ______ on the new device.

The engineers spent the whole night (work) ______ on the new device.

admin2013-10-30  28
问题 The engineers spent the whole night (work) ______ on the new device.
选项
答案working
解析 本题考查对动词spend用法的掌握。其常用结构是spend time/money (in) doing sth．花费时间(金钱)做某事。如：They spent two years (in) building this bridge．造这座桥花了他们两年时间。
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