15. D.根据前文中“We never told him he couldn‘t do it… so he didn’t know”,再结合Joey入选校田径队的事实,可推知此处要表达的内容是“他确实参加了”,即Joey是在一种毫不知情的情况下参加了田径队。take的意思有“参加,加入”,故答案选D.
The best way of learning
a language is always using it. The best way of learning spoken English is
___1___ in English as much as possible. Sometimes you‘ll get your words ___2___
up and people will not ___3___ you. Sometimes people will ___4___ things too
quickly and you can’t understand them. But ___5___ you keep your sense of humor, you can always have a good laugh
at the mistakes you ___6___. Don‘t be unhappy if people seem to be laughing ___7___ your mistakes. It’s ___8___ for people to laugh at
your mistakes than to be angry with you, ___9___ they don‘t understand what you we saying. The most important thing for
learning English is: “Don’t be ___10___ of making mistakes because everyone makes mistakes.”