1. Dùng giới từ “to” khi mô tả sự thay đổi đến mức nào đó
In 2008, the rate of unemployment rose to 10%.
2. Dùng giới từ “by” khi mô tả sự thay đổi một khoảng nào đó
In 2009, the rate of unemployment fell by 2% (from 10% to 8%).
3. Dùng giời từ “with” để nói về phần trăm, số lượng chiếm được
He won the election with 52% of the vote.
4. Dùng giới từ “at” để thêm con số vào cuối câu
Bài tập: Hãy điền các giới từ ‘to’, ‘at’, ‘with’, ‘in’, ‘by’, ‘between’, ‘from’
1…Between… 1990 …and…… 2000, there was a drop …by…… 15%.
2. GM car sales peaked …at…… 2,000 in 1999.
3. The chart shows a decline …to…… 35% …in…… the bird population.
4. There has been a significant increase …in…… the number of people aged over eighty.
5. There have been dramatic cuts …in…… the level of spending on the elderly, reaching
a low …at… 11%.
6. Profits rose …from…… a low of 4.5 million to a high of 8 million in 2008.
7. Canada and Australia’s wheat exports fluctuated …between…… 5 million and 6
million respectively.
8. There were significant improvements …in…… healthcare ……in… 1980.
9. The statistics show a reduction …by…… 20% …in…… energy costs as a result …by……
the measures.
10. Profits fell ……by… 10%, from 2,000 to 1,800 in 1970s.
11. The radio station experienced a fall …by…… 36,000 listeners to a total audience …
with……2.1 million.
12. The number of students fell …to…… a low of 1,500 in the second half of the year.
13. Cases of AIDS shot …?…… from 2,400 in 1996 to 4,000 in 2004.
