相关考题
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单项选择题
All the cargo wires must be greased （）.
A.well
B.good
C.nice
D.perfect -
单项选择题
I’ll thin down the（）for you right now.
A.hammer
B.pulley
C.paint
D.bridge -
单项选择题
The sailors spend most of their time in （）.
A. scraping and painting
B. the engine room
C. looking out
D. steering
