Помогите пожалуйста с английским!!! Нужно сделать упражнения B и C. Желательно писать поподробнее

Look at these conversations and put in the correct form of the verb. Use the Present Perfect Continuous or Simple. * Sarah: I feel really tired. Mark: It's because you've been doing (you/do) too much. Sarah: Well, at least I've finished (I/finish) that report now, and I can relax. 1. David: Someone ______HAS LEFT______ (leave) the ladder outside, look. Harriet: I expect that's Mike___HAS BEEN CLEANING_____(he/clean) the windows. I don't think ____HE HAS FINISHED___ (he/finish) yet. 2. Laura: You've got mud on your shoes. Trevor: It's all right , I'll take them off ____I HAVE BEEN WORKING______ (I/work) in the garden. Laura: Yes, it looks a lot tidier. Well done___YOU HAVE DONE______ (you/do) a good job. 3. Tom: ___I HAVE HEARD____(I/hear) that you and Harriet are building a garage. How long ___HAVE YOU BEEN DOING___ (you/ do) that? Mike: Oh, for about a month now. (we/ do) ____WE HAVE DONE____ about half of it. B I have been doing or I have done? (1) What would you ask in these situations? Use the Present Perfect Continuous or Simple. * Your friend is wearing glasses. You've never seen him with glasses on before. Ask him how long ... How long have you been wearing glasses? * Nick is playing computer games. Ask him how many ... How many computer games have you played? 1. You meet a group of people walking across country. Ask them: How many miles…HAVE YOU WALKED……… 2. Some workmen are digging up the road outside Sarah's house. Ask her: How long……HAVE YOU BEEN DIGGING (UP THE ROAD)? ……….. 3. Laura is taking lots of photos of you and your friends. Ask her: How many ……PHOTOS HAVE YOU TAKEN? ……… 4. You have just woken up from an afternoon sleep and seen that it is raining. Ask your friend: How long...HAS IT BEEN RAINING...? C I have been doing or I have done? (1-2) Complete the conversation. Put the verbs in the Present Perfect Continuous or Simple. Laura: What are you doing, Trevor? You’ve been (you/be) in here for ages. You're making an awful mess. Trevor: (1) _____I HAVE BEEN CLEARING____ (I/clear) out this cupboard most of the afternoon. There's a lot of old stuff in here. (2) ____I HAVE FOUND_____ (I/find) these, look. Laura: (3) ____YOU HAVE BEEN SITTING_____ (you/sit) there staring at those old boots for the last five minutes. (4) ____I HAVE BEEN WATCHING____(I/ watch) you. (5) _____YOU HAVE BEEN ______ (you /be) in a dream. Trevor: They're football boots. (6) _____I HAVENT HAD _____ (I / have) them since I was about sixteen. (7) ____THEY HAVE BEEN ____ (they/be) in here for years. Laura: Well, throw them away. And what about that tennis racket? Is that yours? Trevor: No, it must be yours. (8) ____I HAVE NEVER HAD ____ (I/never/have) a tennis racket.