It is about half an hour since he came here.请问一下后面为什么是过去式?

It is about half an hour since he came here.请问一下后面为什么是过去式? —Where is his farm?________?—No,not very far.It is about half an hour’s walk. it's about half an hour on foot from school to my home= my home is about an ____ _____ from school it takes me about half an hour to go to school by bike .对about half an hour提问 it will take about half an hour to prepare your dishes （about half an hour）画线提问 It's about half an hour on foot from school to my home.同义句转换.( 急)My home is about _____ _____ _____ _____ from school. ( )it is from our school to xidan mall?About half an hour's walk.a.how farb.how oftenc.how longd.how about 同义句转换：It's about half an hour on foot from school to my home.My home is about()()()()fromschool. It's about half an hour on foot from school to my home.(改同义句)My home is about _____ _____ _____ _____ from school. How far is your home from here?How far is your home from here?It's about two _____ walk.A.half an hour's B.half an hours C.half an hours' D.half an hourA和C 你们给出个正确答案吧 ——is it?It takes us about half an hour to get there by bus A,how far B,how long it is impossible ( )her ( )the work in half an hour How long does it take?It take about half an hour.翻译 翻译 It takes me about an hour and a half to finish my homework.划about an hour and a half 提问? It takes me About an hour and a half to finish my homework.（划线提问 划About an hour and a half） I spend about half an hour watching TV every day.(改为同义句）It ____me about half an hour ___ ____TV every day. 问两道有关数词的英语选择题1 It is about ____ walk from here to the officeA half an hour`s B a half hour`sC half a hour`s D half an hour`s2 Mr.Zhang will come soon.Please wait ____ minutes.A a little more B a few moreC more a little D mor it takes him about half an hour _____(walk) to school