A.flying B.flew C.flown D.flies
单项选择题You should slack the mooring lines ()when the wind is big.
A. at the same time B. on time C. in time D. at times
单项选择题We must ()to inspect the problems about the safety of fire prevention.
A.prepares B.preparing C.prepared D.prepare
单项选择题When you keep a gangway watch, you should ()the mooring lines according to the rise and fall of the tide.
A.adjusted B.adjusting C.adjusts D.adjust
单项选择题Lower gangway into place and ()safety net.
A.fast B.make fast C.fasten D.fastened
单项选择题We should hoist national flag ().
A. on time B. in time C. soon D. at times
单项选择题We should often ()the bow and stern of a ship.
A.inspects B.inspecting C.inspect D.inspected
单项选择题They will ()out a more detailed inspection.
A. carried B. carrying C. to carry D. carry
单项选择题I’ll ()the sheet carefully.
A. go after B. go off C. go through D. go away
单项选择题They will() against pirates and pilferage.
A. take place B. take over C. take measures D. take up
单项选择题When we hoist national flag together with other flags, we should keep the national flag in the ()place.
A.centre B.lower C.A+B D.A o rB