Ricky was good at everything. He always got As in exams. This year, he started taking calculus (微积分) which he had never learned before. When his teacher returned his first test paper to him, Ricky was ________ at his score. Ricky was unhappy because he had never ________ the tests before.

Ricky didn’t know what to do. He also didn’t know how to ask for ________. He started talking to the teacher. The teacher said that ________ it was the first test, it was natural to fail the test. She gave him a list of books and websites that might be ________. She also advised him to reach out to his friends and form a study group. Ricky liked the ________ of forming a study group. He felt ________ to ask his friends for help. His friends also loved the idea. They did homework together and went through each ________ step by step.

Before the next test, they ________ prepared for the test and helped each other. Perhaps Ricky would not get everything ________ in the next test, but he would feel better. That’s the power of teamwork.