对half an hour划线提问用什么急!

对half an hour划线提问用什么急! Mr.Johnson arrived here about half an hour ago.(对划线部分提问）划线部分 对(about half an hour)英文提问 I usually do my homework for half an hour.（对划线部分提问）划线部分:half it took me half an hour to walk to the zoo yesterday 对划线部分提问 They will finish their work in half an hour.(对划线部分提问,划 in ha I took walk in the garden（ for half an hour)对划线部分提问 She runs with her dog in the park for half an hour.对划线部分提问 It took me (about half an hour) to write the letter.对划线部分提问（ 1.It takes me half an hour to do my homework.(对划线部分提问） They only have half an hour of homework every day(对划线部分提问） — i usually go running for half an hour对划线部分提问