John’s teeth were troubling him, so he went to a dental surgeon to see how to have them pull

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CÂU HỎI KHÁC VỀ TÌM LỖI SAI TRONG CÂU

• The basic elements of public-opinion research are interviewers, questionnaires, tabulating equipment, and to sample population.
• She asked why did Mathew look so embarrassed when he saw Carole. 
• Higher education is very importance to national economies and it is also a source of trained and educated personnel for the whole
• My mother told me to watch the milk and don’t let it boil over.
• Fertilizer, which is added to the soil to replace or increase plant nutrients, include animal and green manure, fish and bone meal and compost.
• Because the highway system was built 40 years ago, most of the roads now need to repair.
• Pointing in someone is usually considered impolite but it is acceptable when a teacher wants to get someone’s attention in class.
• If a student takes a course on Computer Science, it will take him four years doing the course.
• The shopkeeper warned the boys dont learn their bicycles against his windows.
• The people who they hadnt seen the weather forecast were caught unaware by the hurricane.