practice writing solutions Join an english club Listening can help Exercises 单项选择 1. Your grade what you do in your class A takes up B looks as C depends on I know the answer to this que A. Whether B. Unless C. Even if 3. Nobody can know everything when he 4. Good learners often ask because they know knowledge comes from A. question, question 第8页第 8 页 Exercises 一．单项选择 1.Your grade ____ what you do in your class. A. takes up B. looks as C. depends on 2._____ I know the answer to this question, I won’t tell you. A．Whether B．Unless C．Even if 3. Nobody can know everything when he _____. A．is born B．at birth C．born 4. Good learners often ask ____because they know knowledge comes from_______. A．question, question solutions Listening can help. rffriends Join an English club rffriends Find a pen pal to practice writing ...