【正文】
Let’s stop _______ (work) and have a rest. making doing waiting Helping working 二、單項(xiàng)填空 ( )1. —________ does Ruth municate with her friend in Korea? — ________ s. A. How。 By to write ( )2. Tom’s grandparents made a living by _______ vegetables and _______ pigs. A. planting。 to feed C B A A C ( )3. Her mother goes to work ________ bus every morning. A. by B. at C. on D. in ( )4. You can improve your English ________ practicing more. A. by B. with C. of D. in ( )5. —How do you study ________ a test? —I study ________ workin