Các bạn giải gấp cho mình bài 2.17

Mng cho mik biết cấu trúc của mấy câu này gấp nha nhanh nhanh giúp mik vs mik đang gấp lắm

1 it is at least 5 years since i ....my uncle A last see B had just seen C have seen D last saw 2 it was ..that they went for a hike in the mountains A a such nice day B so a nice day C such a nice day D so nice day 3 she said that she .....the cold weather A used to B didnt use to C couldn't get used to D get used to GIAI THICH LUON

rút gọn biểu thức 2x^2 (-3x^3+2x^2 +x-1)+2x(x^2-3x+1)

Chứng minh rằng : a) $\frac{a+b}{b}$ = $\frac{c+d}{d}$ b) $\frac{a-b}{a}$ = $\frac{c-d}{d}$ c) $\frac{a}{a-b}$ = $\frac{c}{c-d}$

chọn đáp án đúng nhất: 1. A noun clause can begin with: A.Although B.What C.Because D.However 2. I'm studying very hard at the moment _____ pass my exams next week. A.so that B.in order that C.to D.in order not 3. Complete the following sentence in an e-mail. “I ………… to ask you a few questions about your product.” A.look B.would C.would like D.am 4. The waiter was not very nice; _______, the food was delicious. A.however B.therefore C.moreover D.because Reset Selection 5. Complete the concluding sentence in an e-mail. “I ……….. to doing business with your company in the future.” A.look B.looks forward C.look forward D.looking 6. Complete the following sentence: “Would you mind ………. us with a new printer since the old one is out of order?” A.providing B.provide C.to provide D.provides

His future house will look like a …………on the mountain A. city B. country C. UFO D. TV

Giúp mk hết nha Nhớ ko spam và Tl ko liên quan đến câu hỏi Ai trl đi mk cho ctlhn

Nhờ ;àm giúp câu C . Ch/ m D là trung điểm MN. Cám ơn

Bài 1. Fill the " prep " in the blank 1. To play badminton is difficult ? => It's .......................................... 2. She spends fifteen minuter making a big cake => .............................................. 3. Why don't we eat cut => What about ........................... 4. Nam is more internet than Ha => Ha isn ...................................