1 . 根据句子意思，从下面方框中选择词或词组，并使用其正确形式完成句子。

memorize acquire as a result promote sharp grateful highlight sensitive practical context

1. According to Hermann Ebbinghaus, the ______ loss of memory occurs during the very early period after learning.
2. I am ______ to my friend, Michael, because he helped me with my studies and it changed my life.
3. Try to use grammar rules in speaking and writing activities, and you will ______ the rules and use them without thinking.
4. My English teacher gives us specific feedback. For example, he often ______ our mistakes and says things like “You need to work on the past tenses some more”.
5. My science teacher made everything interesting. He used to explain things which seemed difficult with lots of   ______ examples and in simple language.
6. Some people find ______ new words very difficult while learning English.
7. Experts suggest that we should learn words in ______ and in chunks.
8. We retell interesting or funny stories from our childhood again and again ______ we remember the events in childhood better.
9. Teachers should do negative feedbacks in a less direct manner, especially to those who are shy or ______.
10. Asking questions is the easiest way to ______ active learning.