Nếu có lỗi sai,tìm ra và sửa lại.Nếu đúng thì ghi (v) 1.When there are low sales, companies often decide to develop new products 2.Although both of them are trying to get the scholarship, she has the highest grades 3.Science and technology are part of the knowledges of educated people 4.The food that Mark is cooking smells delicious 5.Everyone who takes the examination will receive their score reports in 3 weeks 6.Tom spent such enjoyable holiday in Europe this summer that he plans to return as soon as he saves enough money Em xin cảm ơn ạ!