Question 15 is based on the passage of question 11.What is the main idea of the passage（）

Question 12 is based on the passage of question 11.According to the passage, why is learning grammar important（） ports answer the question Question 7: An aversion for/to Question 13 is based on the passage of question 11.In the writer’s opinion, what is the best way to learn grammar（） The key _____ the question is easy. [ ] Which of the following is a referential question? What is the best way __________ the question? The question is __________for me to answer.. Question 2: Fluent at/in. Which of the following is a referential question? Which of the following is a display question? Which of the following is a display question? Recently many Americans question（）. This question is（）my ability.   中国大学MOOC: Question 8 is based on the same passage of question 6.What is the animal research community trying to do? 中国大学MOOC: Question 2 is based on the same passage of question 1.According to the passage, why is learning grammar important? Question 2: That’s a ___________ car. What is the purpose of the passage in Question 3? Do you know the answer ______ question? [ ] Did you know the answer _____ the question? [ ]