单项选择题
We are going to carry out an/a （）(应急演习).
A. fire drill B. emergency drill C. boat drill D. abandon ship drill
单项选择题 Clean up the fire （）（地点）.
单项选择题 Chief, the （）(灭火队)is ready.
单项选择题 Start the （）(艇机), drive the boat from the ship quickly.
