the cayse is still being searchedis still being searched 表从be saerched 是被动语态 be是助动词为什么要加ing?

the cayse is still being searchedis still being searched 表从be saerched 是被动语态 be是助动词为什么要加ing? The night is still Many years later,the two women ____ friends.A.is still B.was stillC.be still D.were still the population of the world still nowA has grown B is growingthe population of the world （ ） still （ ） now The sleeping baby _____where he was laid.A.has been still laying B.has still laidC.will still lay D.is still laying the air is still是什么意思 is still on the line. Is the cut still painful? 请解下题!（英语）________,so you can wait a while. A The play is still on B The play being still on C As the play is still on D The play still on ________, the fire broke out in the cinema.[ ]A. While this film still on B. With this film was still on C. With this film still on D. When the film is still on The train is starting _______five minutes.a.in b.at c.for d.still The old man is already 85,but he still keeps（ ） A.alive B.lively .The boy ________ is still in danger at present. A.being operated B.being op to_____surprise,the boy is still crying there A.he B.his C.himself D.him The dictionary_____there a week ago is still there.A.laid B.lain择哪个答案 英语翻译Is the night still young? Yico you still is the best!my the world is still running even without