The engineers spent the whole night(work) ___________on the new device.
举一反三
- I spent the whole night putting together the toy car, and it _____ easy!
- I spent the whole day repairing the car. The work was __________ easy.
- The two girls spent the whole night planning the summer events, get-togethers, dinner parties, ____________
- The two girls spent the whole night planning the summer events, get-togethers, dinner parties, and many other things of the kind.
- When the device is temporarily unused or the device is abnormal, the processing method is to delete the device.