单项选择题
This （）was repaired in Singapore.
A. damaged derrick B. damaging derrick C. derrick to be damaged D. derrick
单项选择题 Push the “Oil Jack” position （）until the cover comes to its final closed position.
单项选择题 The unlashing work must be finished before （）.
单项选择题 We haven’t got enough （）to do the work.
