单项选择题
Please （）(打开) the hatch NO. 2.
A.open B.close C.cover D.clothes
单项选择题 The varnish is used to paint the woodwork and deck （）(扶手).
单项选择题 Saws are put in the （）(工具箱).
单项选择题 There are many kinds of （）(舱盖) on board a ship.
