【简答题】Donald was not very good at math. He could not understand the teacher’s explanations(解释). Even when the teacher explained something a second time, Donald still could not understand it. “Never mind,” D...
【简答题】阅读理解。 When Boris left school, he could not find a job. He tried hard and pestered (纠缠) his relatives, but they had problems of their own. He answered advertisements until he could not afford to buy an...