Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. ⇱
Question 1. Ants find their way by following scent laid down by their previous ants.
Question 2. Charcoal is odourless and tastelessness, and has the ability to absorb a large quantity of gas.
Question 3. All the shopping centers that in the district turn their lights off to celebrate Earth Hour.
Question 4. Mike used to work for us, but he once argued with my wife or quit his job.
Question 5. Children will walk at about the same age whether or no they are taught by their parents.
Question 6. To adopt a green lifestyle, people who may face some inconveniences at first.
Question 7. The principal who just signed an approval of the youth union’s plan to recycle waste paper.
Question 8. Ginger is three times as hot as cumin, but not as hot as chili powder.
Question 9. The prices of organic products are quite high, that may be discouraging to consumers.
Question 10. The national park carrying out a wide range of conservation activities to save many endangered species from extinction.