ai giúp dc ko ạ

Chia dạng đúng của động từ trong ngoặc

1. My father (plant)……………….. some fruit trees in the garden now.

2.What your father (do)……………….. in the evening? He usually (watch)……………….. TV but sometimes he (read)……………….. books.

3.We (not go)……………….. to the zoo very often.

4.Lan and Phong (be)……………….. in the kitchen. They (cook)……………….. dinner.

5.What about (play)……………….. soccer this afternoon?

6.My sister (be)……………….. in the garden. She (water)……………….. the flowers.

7.How you (feel)……………….. now? I (feel)……………….. hot.

8.They (live)……………….. in HCM city since January.

9.That’s a very old bike. He (have)……………….. it for a long time.

10.I (buy)……………….. the motorbike 5 years ago.

Chia dạng đúng của động từ trong ngoặc

1. My father (plant)……………….. some fruit trees in the garden now.

2.What your father (do)……………….. in the evening? He usually (watch)……………….. TV but sometimes he (read)……………….. books.

3.We (not go)……………….. to the zoo very often.

4.Lan and Phong (be)……………….. in the kitchen. They (cook)……………….. dinner.

5.What about (play)……………….. soccer this afternoon?

6.My sister (be)……………….. in the garden. She (water)……………….. the flowers.

7.How you (feel)……………….. now? I (feel)……………….. hot.

8.They (live)……………….. in HCM city since January.

9.That’s a very old bike. He (have)……………….. it for a long time.

10.I (buy)……………….. the motorbike 5 years ago.

giúp

Sửa lỗi sai

1.Ba and Song plays football every afternoon with me.

    ………………………………………………………………………………….

2.We buy two new rackets yesterday. We’re going to play tennis this afternoon.

    ………………………………………………………………………………….

3.I’m not going to do the homework for you. You should do it itself.

    ………………………………………………………………………………….

4.Our neighbors invited my friend and I to dinner with them.

    ………………………………………………………………………………….

5.You should try your best learning hard to pass the exam.

    ………………………………………………………………………………….

6.Bob lived in Rome for three years and he doesn’t want to move to other city.

    ………………………………………………………………………………….

7.They write the meaning of new words by their mother tongue.

    ………………………………………………………………………………….

8.How many countries will participate on the Olympic Games?

    ………………………………………………………………………………….

9.This job is a lot different with what I’m used to.

    ………………………………………………………………………………….

10.Not only the bathroom was flooded, and also the rest of the house.

    ………………………………………………………………………………….

ai giỏi anh giúp vs ạ

1/ We won't mind your (A) being late – (B) beside, it's (C) hardly your (D) mistake.

2/ (A) The whole report is (B) badly typed. (C) Moreover, it's (D) imaccurate.

3/ I'm not (A) astonish she (B) shouted at us! (C) How would we like (D) to be pushed into a wall?

4/ Nguyen is (A) everything we'd ever (B) want (C) in a man - brilliant, (D) fun and attractive.

5/ They just hope (A) that the money (B) goes to those (C) who are mainly in (D) needs.

6/ A doctor (A) with profession, this is his first (B) pleasure trip (C) into writing (D) for the theatre.

7/ She (A) views her life (B) like a spiritual (C) voyage towards a superior (D) understanding of her confidence.

8/ Trung was a (A) youthful sailor (B) on his first (C) sea (D) excursion.

9/ The (A) journey guide (B) pointed out the message (C) that runs round (D) the inside of the sports ground.

10/ (A) Supersonic airplanes can (B) go (C) more fast than (D) the speed of sound.

Speech is one of the most important (1)___ of communicating .It consists of far more than just making noises . To talk and also to (2)____ by other people, we have to speak a language ,that is, we have to use combinations of (3)____that everyone agrees to stand for a particular object or idea. Communication wouldbe impossible if everyone made up their own language. Learning a language properly is very( 4)___. The basic( 5)____of English is not very large, and only about 2,000 words are needed to speak it quite (6)___.But the more idea you can (7)____ the more precise you can be about their exact meaning. Words are the (8)____thing we use in communicating what we want to say. The way we( 9)____the words is also very important. Our tone of voice can express many emotions and ( 10)____whether we are pleased or angry, for instance.

1. A. reason                           B. tests                       C. ways                      D. rules

2. A. be spoken                     B. be examined         C. be understood      D. be talked

3. A. systems                        B. sounds                   C. languages              D. talks

4. A. easy                              B. important              C. simple                   D. expensive

5. A. grammar                       B. word                      C. vocabulary           D. structure

6. A. fluent                            B. good                      C. well                        D. perfect

7. A. need                              B. grow                      C. express                  D. pass

8. A. main                              B. certain                   C. full                         D. most

9. A. talk                                B. say                         C. pass                       D. send

10. A. show                           B. ask                         C. understand           D. know

a) Một người đi xe máy với vận tốc 12m/s trong thời gian 20 phút. Quãng đường người đó đi được là bao nhiêu?

b) Hãy sắp xếp các vận tốc sau theo thứ tự từ nhỏ đến lớn.

(1) Tàu hoả: 54km/h

(2) Chim đại bàng: 24m/s

(3) Cá bơi: 6000cm/phút

(4) Trái Đất quay quanh Mặt Trời: 108000km/h

Câu 3: Đốt cháy hoàn toàn 16,8 gam Sắt (Fe) trong không khí

a) Tính khối lượng sản phẩm thu được?

b) Tính thể tích khí oxi, và thể tích không.khí cần dùng ở đktc? (biết rằng oxi chiếm 20% thể tích không khí)

c) Tính khối lượng KMnO4 cần dùng để điều chế đủ oxi cho phản ứng trên? Biết rằng lượng oxi thu được hao hụt 20%

Cho biết: Fe = 56, O = 16, K = 39, Mn = 55