Bài 1 :Underline the correct words in italics 1, Sarah has / have never tased Japnese food 2, I have ’t live /lived in the city before now 3, Have /Has Mary ever stayed in any hotels ? Yes , several times 4, Has Sam ever played golf ? No , he Hasn’t /doesn’t B2 : Complete the sentences .Use fpr or since 1, We haven ‘t watched TV Monday 2,The boy hasn’t eaten anything six hours 3, I’t ve know Pam primary school 4, What have you done you finished school ? 5, We have studied Chinese three years B3: Choose just , yet or already 1, He is here now . He has just \ already \ yet arrived 2, Has Paul stared his new job just \ already \ yet ? 3, Their plane has not landed just \ already \ yet 4, Ned has just \ already \ yet arrived fed his pets 5, Her hair’s wet . She ‘ s just \ already \ yet washed it 6, They have just \ already \ yet visited a lot of countries B4 : Fill in each blank with just , already or yet 1, Have you played your new computer game ? 2, I’ ve had my exam results 3, My father has returned from his trip to Australia 4, I haven’t had lunch 5, I have had three tests this week B5 : Choose been or gone 1,’ Where is Pamela ? ‘ – ‘ She ‘s been / gone home 2, ‘ Do you like Berlin ?’ ‘ Yes . I ‘ ve been / gone there twice and i love it ‘ 3, Jane ‘s been / gone to the dentist and now she ‘s going shopping 4, Nick and An aren’t here . They ‘ve been / gone to the cinema 5, Alan ‘s been / gone at the gym . He feels exhausted

1.the old man(fall)..............as he(get).........................into the bus 2.what........you(do)..............between 9:00 and 10:00 yesterday?i (clean)............my house.iusually clean my house on saturday morning 3.where is nick?he just(go).........out 4.that tree makes the house very dark.very well,i(cut).........it down 5.what...................you(do).............at this time yesterday? 6.i've decided to repaint this room.oh. have you?what color.................you(paint)...............? 7.tom(take).............a photograph of me while i(not look).............. 8.i(break)................a plate last night.i do.........the washing up 9. what...............you(do)............................when you grow up ? i (be)................... an architect 10.she's on hoiliday.she(go)..............................to italy 11.tom is looking for his key.he can't find it anywhere.he(lose)...........his key 12.i(not go)............................out because it(rain).................yesterday 13.i(see)......................carol at the party last night.she(wear)...........................a really beautiful dress 14.if it(rain)...........................tomorrow, i(not go).........out 15.i'm going away for a few days. i(phone)....................you when i get back 16.my bicycle has a flat tyre.can you repair it for me? 17.ok,but i can't do it nw.i(repair)....................it tomorrow 18.can you repair hellen's bicycle? it has a flat tyre 19.yes i know.she told me . i(repair)....................it tomorrow 20.we need some bread for luch.oh we do?i(go).............to the shop and get some.i fell like a walk 21.what.........you(do)...............at 10 o'clock last night? 22.everything is going fine.we(not have)......................any problems so far 23.have you seen the new film at the local cinema?(not see)...............it yet, but i(see)..............it 24.his hair is very short.he(have).....................a haircut 25.my bicycle here anymore.somebody(take)..................it 26.whenever i have a problem, i(give)................you a ring 27.he smiled at me in a friendly way when he(see)......................me 28.where are you? i am upstairs.i(have).........................a bath 29.i(know)..............................her for several years 30.hurry up!the train(come)................in 31.the nile(flow)...............into the mediterranean sea 32.i(listen).....................to the radio when you rang the bell 33.how many films.................you (see)...................this month? 34.harry(work).....................................for the city since last year 35.i will do not anything until you(promise).....................to help me GIÚP MÌNH VỚI Ạ!CHIỀU MAI NỘP BÀI RỒI

Lũy Thừa Của Một Số Hữu Tỉ (Tiếp Theo) Bài 1. a) (3/7 + 1/2)^2 b) (3/4 - 5/6)^2 c) 5^4 . 20^4/25^5 . 4^5 d) (-10/3)^5 . (-6/5)^4

Giải hộ em bài này với ạ Ngày mai em kt rồi :((((

Giúp mik va mik cần gấp lắm Làm rõ ràng đúng,ko ghi kq liền phải làm từng bước

giúp minh nha mình cân fgaaps ./////////////////////////////////

An cho Bình 5 nhãn vỡ thì số nhãn vở của An và Bình bằng nhau. Hỏi lúc đầu AN hơn bình mấy nhãn vở.Em nhờ các thầy cô giải giúp ạ

Quy đồng mẫu số hai phân số

cho chóp SABC,SA=4,SB=5,SC=6. góc ASB=BSC=45, góc CBA=60.M,N,P thỏa mãn AB=4AM,BC=4BN,CA=4CP.Vsabm.

Cho x+y=1. Tính giá trị của biểu thức P=2(x^3+y^3)−3(x^2+y^2)