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3. (Trang 27 - Tiếng anh 12): Complete the following sentences with the appropriate prepositions. 

(Hoàn thành các câu sau đây với các giới từ thích hợp.)

1. The IT specialists apologized __________ being late because of the traffic jam. 

2. Minh apologized   _________ his form teacher for the late submission of his essay.

3. He was awarded a medal for saving a four-year-old boy _________ drowning.

4. This young man specializes _________ computer software.

5. This shampoo smells____________ bananas.

6. If you keep making so much noise, I won't be able to concentrate _________   my work.

7. Nobody responded_________ the complaint about the shortage of teaching resources.

8. She always writes emails___________ us.

9. He's talking________ his teacher____________ his new project.

Bài làm:

2. (Trang 27 - Tiếng anh 12): Complete the sentences with the words from the crossword puzzle in 1.

(Hoàn thành các câu với các từ từ ô chữ trong bài 1.)

1. The________ can provide useful resources for learning and teaching, stimulate interest and develop knowledge.

2.  _______ involves sending electronic messages in real time via the Internet, which are immediately displayed on the recipient's screen. 

3. ____________ helps to expand the number of people's business and social contacts by making connections between individuals and companies.

4. Most people nowadays________ with their computers more often than with their family and friends. 

5. ________ is the coming or arrival of something or someone that is important or worthy of note.

6. Digital broadcasting is much more _______   than advertising in print materials because it allows larger audiences to access the information.

Bài làm:

3. (Trang 27 - Tiếng anh 12): Complete the following sentences with the appropriate prepositions. 

(Hoàn thành các câu sau đây với các giới từ thích hợp.)

1. The IT specialists apologized __________ being late because of the traffic jam. 

2. Minh apologized   _________ his form teacher for the late submission of his essay.

3. He was awarded a medal for saving a four-year-old boy _________ drowning.

4. This young man specializes _________ computer software.

5. This shampoo smells____________ bananas.

6. If you keep making so much noise, I won't be able to concentrate _________   my work.

7. Nobody responded_________ the complaint about the shortage of teaching resources.

8. She always writes emails___________ us.

9. He's talking________ his teacher____________ his new project.

Bài làm:

4. (Trang 27 - Tiếng anh 12): Put the verbs in brackets in the correct tenses. Use the negative form or passive voice if necessary. 

Đặt các động từ trong ngoặc ở các thì đúng. Sử dụng các hình thức phủ định hoặc bị động nếu cần thiết.)

1. I (already buy) ______ my desktop computer when I (give) _____ a tablet PC.

2. She (not, use) ______ any of the social networking sites until he (show)_______her how to do it

3. Minh (have) _______ an email account for five years when someone (hack)_______ his account

4. She (use)_______ a simple mobile phone for ten years before she (get) _______ a smartphone last year.

5. By the time Minh (telephone)_______ me, I (already, finish) ________ updating my social networking profile

6. Charles David ‘Doc’ Herrold (be)________an American radio broadcasting pioneer, who (create) _________ the world's second radio station in 1909.

Bài làm: