mọi người ơi giúp mình vs đang gấp lắm ạ
Điền từ loại ạ
1. they live..............in a small village (happy)
2.you should spen your money and energy as.............as possible (economy)
3.you can buy waste...............made from this factory (produce)
4.this library is open to all..........(read)
5. air and water are............in our life (necessary)
6. my brother can repair electric .............very well (apply)
7. these..........will conserve the earth (innovate)
8. since the world's energy resources are limited,we must ............them (conservation)
9. we suggest.............the light bulb. it is broken (replacement)
10. to keep th air unpolluted, people ought to use...........energy to create electricity (sun)
mọi người ơi giúp mình gấp vs cả bài trước nữa nha
1. they don't behave themselves so their parents are not happy about that
-> if...............................................
2. she didn't say sorry so he was angry
-> if..............................................
3. i am not a rich busnessman and t can't afford to buy an expensive car
-> if............................................
4. it rained last night so i didn't go to the barbecue
-> if............................................
5. my parents do not allow me to go, so i have to stay at home
-> if ............................................
giúp mình vs nhé mọi người
1. many women nawadays are fond of ........... football
A. playing B. to play C. play D. played
2. the doctor suggested that the secretary.......... at least three days off work
A. to have B. having C. should have D. have
3. my brother was..........as the most effectiveactivist in the school charity programme
A. said B. nominated C. invited D. appointed
4. i'm going to tell you something important, so please listen ..........
A. care B. careful C. carelessly D. carefully
5. ba ate a lot of food .......... he wasn't very hungry
A. but B. and C. though D. because
6. the girl was not pretty but she sang.........
A. beauty B. more beautiful C. beautiful D. beautifully
7. check the faucets for dripping water............. you will have to pay an enormous water bill
A. although B. or C. because D. however
8. if we............wasting water, there will be shortage of fresh water in a few decades
A. turn on B. turn off C. go on D. look after
9. you should ............all the lights before going out
A. turn on B. B. turn off C. turn up D. turn out
10. mrs. yen go to ................ the faucet when she left for work
A. turn on B. turn off C. look for D. look after
Khi hòa tan 6g hợp kim hỗn hợp gồm Cu, Fe, Al trong axit HCl dư thì tạo tành 3,024 lít khí H2 và còn lại 1,86 g kim loại không tan
a. viết phương trình hóa học xảy ra
b. tính thành phần % khối lượng của mỗi kim loại trog hh ban đầu
Các bạn giúp mình gấp nhé. gợi ý là giải hệ phương trình
giúp mình vs mình cần gấp ạ
1. he is a strict .............( examine)
2. this book has excellent ...........( repute)
3. he............( exact) answered the questions
4. this book is not ..........( avail)
5. he is an .............( edition) of this newspaper
6. i want to.......( advertisement) for selling my house
7. please send me some................(inform)
8. if you want to...........( improvement) your english, we can help you
9. they take part in many ...............(culture) activities
10. we have many well- ..........(qualify) teachers here
11. i saw your school's .............(advertise) on tv last night
12. i can complete a..............(speak) english test if you want