Tìm lỗi sai 1The cost "of"A gasoline " has raised"B "tremendously"C in the last "eight-month" D period. 2One of the "greatest" A waterfalls in the world is "at Niagara" B near "the border" C between Canada and United States. 3 "The amount" A of electricity can "reduce" B by replacing an ordinary " 100-watt" C light bulb "with " D an energy –saving bulb. 4 This morning I "got" A to class five minutes "later" B than usual "therefore" C I " had missed " D my bus. 43. Dalat, "where " A I "have visited" B many times, "is" C famous "for" D mild climate and beautiful flowers. 44. I "will enroll" A in "an" B English "intensive" C course, as soon as I" will pass" D the entrance exam.

1 câu trả lời

1) B has risen

Rise còn có nghĩa là "gia tăng về số hay lượng", là nội động từ nên ko đi cùng tân ngữ 
- Costs are always rising.

dễ nhầm lẫn với raise, raise là ngoại động từ đi kèm tân ngữ

- the shop raised the price 

2) B bỏ at 

3) B be reduced

43)  A which

44 D pass