giải giúp em câu 14 với. em cảm ơn ạ!

III. Rearrangement 1. bought / made / mother / dress / material / my / and / me / the / a / for /. → ______________________________________________________________________________ 2. summer / visit / you / Ha Noi / last / did / vacation /? → ______________________________________________________________________________ 3. dentist / had / Minh / a / went / yesterday / because / toothache / to / the / bad / he /. → ______________________________________________________________________________ 4. filled / cavity / in / dentist / week / his / a / tooth / last / the /. → ______________________________________________________________________________ 5. they / scared / children / come / the / see / feel / when / to / most / dentist / . → ______________________________________________________________________________ IV. Word forms 1. ____________________ is one of my hobbies and now I can make clothes for myself. (sew) 2. They looked poor and ______________________. (healthy) 3. Is your back still _______________? (pain) 4. Minh has to see the dentist because he has a ____________________. (tooth) 5. _______________ to teenagers can be difficult for parents. (talk) 6. Don’t eat a lot of ______________ food and sugar. (fat) 7. Hoa has a ____________ new hobby. (use) 8. It is very _________________ to catch the common cold. (pleasant) 9. I love watching the ___________________ little fish in the aquarium. (color) 10. She’s having _____________________ with her schoolwork this year. (difficult) V. Transformation 1. Don’t forget to brush your teeth every day. → Remember ________________________________________________________________________. 2. My head is terribly aching. → I ________________________________________________________________________________. 3. It is very useful to do morning exercises. → Doing morning exercises _____________________________________________________________. 4. Why didn’t you come to class yesterday? → Why were ________________________________________________________________________? 5. Children like the picture books very much. → Children are _______________________________________________________________________.

1.tìm điều kiện của x để phân thức sau đc xác điịnh a)A=3x+2/2(x-1)-3(2x+1) b)B=0,5(x+3)-2/1,2(x+0,7)-4(0,6x+0,9)

Anh em ơi cứu mik mấy phần này với C 2(x+5)-17=x-32 D |15-x|-21=|-5^2-24| E -3^2+(2x+7)^2=-2 Mik hết điểm rồi

1)|x-3|=3 2)|7-x|=|-3| 3) 2mũ2.x+3mũ2.x=39 Giúp mình với mình vote 5 sao mình đang cần gấp

Biết Al có hóa trị (III) và O có hóa trị (II) nhôm oxit có công thức hóa học là:

cho tam giác vuông ABC vuông tại A đường cao AH. gọi K và M lần lượt là hình chiếu trên AB và AC. gọi N là trung điểm của CH. tính góc KNM

Giúp hộ mình đc ko

để đốt cháy 4,48l khí etilen cho sơ đồ sau: c2h4+o2->co2+h2o cần phải dùng a) bao nhiêu lít khí xoi b) bao nhiêu lít không khí chứa 20% thể tích oxi -?biết thể tích các khí đó ở dktc

x+ 2X/căn x^2-4 lớn hơn 3 căn 5 Giúp mk vs hứa vote 5 sao