填空题 <iframe src="/exam-ans/module/audioplay.html?objectid=faf84425ff390c63079e93c02499f40c"></irame>Lesson 11 Blank-filling-8Mayday mayday mayday smoke was 1 in the 2 , 3 has been discharged, we'd like to 4 to Shengzhen for landing, please advise them we need 5 on landing