Don't use the lift if there is fire

Don't use the lift if there is fire we must take the lift downstairs when there is a fire.这句英语句子 we must take the lift downstairs when there is a fire.(改错） We must take the lift downstairs when there is a fire. I can't lift the box if you don't help me .I ___be ___to the 英语句子找错,1 DON't be worry!There is still a little time lift.2 英语题目the fire alarm will ring if there is a fire (will ring划线 英语翻译If you don't use the option Use timings then sync will n Why didn't they use the lift?Because是什么意思? I don't know what I should do when there is a fire同义句 （1）The bell is rung if there is a fire. If you don't konw the meaning of the word,you can use a d().