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since civilization began, gold is=> has been regarded as a symbol of power and wealth
Tìm lỗi sai và sửa lại
1. We had an excursion to the -> bỏ Lake Hudson, a man-made reservoir in Okalahoma last Sunday .
2. Different kinds of newpapers arranged -> are arranged on the shelves when the teacher came into the class .
3. The Great Wall is China's longer -> longest structure .
1. There is a cathedral, a museum, an university and a stadium in the neighbourhood => a
2. The evening meal was serving when I came home last night => being served
The London Eye, also _known___ as the Millennium Wheel, is a _giant___ observation wheel in London. The entire structure is 135 metres (440ft) tall and the wheel has a diameter of 120 metres (394ft). When erected in 1999 it was the world's tallest observation wheel. It is now one of the most popular __attractions__ in the world it is considered to be a _symbol___ of London.
1. So far Linda has been writing 5 novels on the problems teenagers have to cope with in the new world.
=> has written
2. Although polar bears hunt other animals, they seldom rarely kill people.
=> rarely
3. Geogre won't lend you any money as long as you promise to pay his back.
=> unless
Tìm lỗi sai và sửa lại
1. Although most known=> well-known for her prose works, Maya Angelou also published several collections of poetry .
2. However cheap it is=>they are, the poor quality products cannot
always appeal to customers
3. I would respectfully suggest a different explanation to=>for the company's decline
1. known ⇒ well-known
2. is it ⇒ they are
3. respectfully ⇒ respectful
1. An only => the
2. Sing=> sings
3. Spending => spend
4 nature=> natural
1.Football is an only sport which I am interested in => only
2.Mr.Thach who sing English very well is my teacher of English => sings
3.My father asked us not to spending too much time playing computer games => spend
4.We can save nature resources by using s... => natural
An American professor who has studied the Mayas.........HAS........ come up........WITH.....a new theory about the sudden end of their empire.According to Professor Richard Hansen, an archaeologist....AT..... the University of California; the collapse of the Mayan.......CIVILIZATION... in Central America was.....BROUGHT..... about by the Mayas....THEMSELVES............
Their object was to display their wealth and power by making their building and decorations as beautiful as possible.This involved using large quantities of lime, which they put..........ON........the walls to make them smooth. Unfortunately, the creation of lime is a precess which requires intense heat, and they.....THEREFORE... had to cut down huge numbers.....OF....... trees. This affected the quality of the soil, and it..........BECAME..........almost impossible to farm
1. is → has been
2. considered → is considered