1.When will you return to work after the vacation?(come)
=> When will you come back to work after the vaction?
come back = return
2. Many craftsmen in Hai Luu village can earn enough money from stone carving to live. (live)
=> Many craftsmen in Hai Luu village can live on stone carving.
live on : sống dựa vào
3. He will take control of his family's business when his father retires. (take)
=> He will take over his family's business when his father retires.
take over: đảm nhận, tiếp quản
4. They had an appointment this morning but he never arrived. (turn)
=> They had an appointment this morning but he never turned up
turn up: xuất hiện

5. My grandparents started this pottery workshop several years ago.

=> My grandparents set up this pottery workshop several years ago.

set up : thành lập 

6. This film is much more entertaining than the previous one.

=> The previous film was not as entertaining as this film.

7. I think that no student in our class is better than you are.

=> I think that you're the best student in our class.

8. He says Los Angeles is the most populous city in California.

=>He says no city is more popular than Los Angeles in Carlifornia.

=>

1. When will you come back to work after the vacation?

-> come back ~ return : quay lại, quay trở lại

2. Many craftsmen in Hai Luu village can live on stone carving.

-> live on : sống bằng, sống dựa vào

3. He will take over his family's business when his father retires.

-> take over : tiếp quản

4. They had an appointment this morning, but he never turned up.

-> turn up ~ arrive : đến, xuất hiện

5. My grandparents set up this pottery workshop several years ago.

-> set up : thành lập

6. The previous film was not as entertaining as this film.

-> so sánh bằng as adj as

7. I think that you're the best student in our class.

-> so sánh nhất của good là best

8. He says no city in California is more populous than Los Angeles.

-> so sánh hơn tính từ dài more adj than