单项选择题
Saws are put in the （）(工具箱).
A.tools B.spanner C.toolbox D.container
单项选择题 There are many kinds of （）(舱盖) on board a ship.
单项选择题 （）(国旗) should be put on the stern of the ship.
单项选择题 Deck officers work on the （）(驾驶台甲板).
