It takes half an hour as long.句中as long如何理解

It takes them half an hour by bus.变为The___ ___ takes them half an hour. It takes me half an hour to walk to school. It takes me half an hour __(get ) on foot. It takes me half an hour to get to school.对half an hour 进行提问 It takes me half an hour to exercise every day(对half an hour提问) 什么时候用half a 什么时候用a half?It takes half an hourIt weighs four and a half kilograms it takes me __half an hour__ to get there(画线提问：half an hour) it takes me __half an hour__ to get there(画线提问：half an hour) .理由 1,It takes us half an hour to read English every morning.(划线部分提问:half an hour) it takes me about half an hour to go to school by bike .对about half an hour提问 It takes Tina half an hour to walk to school 改同义句 Tina( )half an hour ( )to school It takes him half an hour to get to the airport.（对half an hour 提问） It takes me half an hour to do housework every Sunday.问：对half an hour提问及同义句. it takes me half an hour to do my homework.i------ half an hour ------my homework.如题 It takes me half an hour to do my homework.I ______ half an hour _______ _______my homework.(同义句) How long does it take?It takes ( )A.half an hour B.hour C.two hour D.half a hour It takes us half an hour to do our homework.对half an hour提问英文，是对half an hour提问 It takes half an hour to walk to school对half an hour 提问 ____ ____ ____it takes to walk to school