Choose the correct option A, B, C, or D for each gap in the passage.

In our Life Skills lesson last week, our class (1) ______ a visit from a Fire Safety Officer, and this is what he told us: ‘Today I’m going to tell you what to do (2) ______ fire. If there is a fire, keep calm. Be sure you know where (3) ______ the nearest exit or stairway. Do not use the lift. Before you leave, close all the doors behind you. You should know how (4) ______ the fire alarm, and then shout ‘fire’. You should know what number to call to report the fire and ask (5) ______ help. In Viet Nam, it's number 114. The number is toll-free and you can call it any time from (6) ______ a mobile or a landline without dealing area codes.’

In our Life Skills lesson last week, our class (1) ______ a visit from a Fire Safety Officer