How long __ you __(从事)the project?为什么答案是have,been working on现在完成时为have＋done，而这个是现在完成进行时

How __(long /soon) have you had them How long __ you __(be) a policeman?For ten years How can I get to school?__ is ___ __ __ school?Can you __ __ __ __ __ school? 你花多长时间骑车到电影院?How long __ __ __ __ __ __ your bike to the cinema? __ music do you listen __ every day?Lsee than an hourA how many ,toB how much ,/C how long ,toD how much ,to可以是B吗? __ do you watch television?twice a week.a[how long b] how soon c]how often __ did you finish the work ---About a week .A.when B.how long C.how often D.how many . Can you __ __ __ __ it? How long does it take you to go to school on foot?(改为同义句） How long__you __ __ __school? How long does it take him to read this book?(同义句)How __ __ does __ __ __ this book? 初二英语阅读题(急!)A:__ did you gp for your last vacation?B:I went to the Great Wall.A:How was the __?B:It was cool.A:Who did you go __?B:My parents.A:How did you go there?B:We went there __ train.A:How long did it __ you?B:About 2 hours.A:Wh (since/ for)-- how long have you benn here?(since/ for)-- how long have you benn here? --__(since/ for) vhalf past three.选择哪个?为什么? How many __(egg)can you see? As a student,he is often told __ (study) hard.Tell me how long you __ (have) a cold ,Ever since last night. How long __ you __(从事)the project?为什么答案是have,been working on现在完成时为have＋done，而这个是现在完成进行时 （ )__ do you use the Internet a week?Twice.A.How often B.How soon C.How long D.How tnany times would you mind __ __ __ __ __?(我再试一下) --How long will you __ Harbin?--About a week.A.be away from B.be away C.leave