根据首字母或中文提示提示写出句中所缺单词,注意使用正确形式 小题1:They took the children on field trips to o______________ plants and animals. 小题2:Mr Wang s_____________ his family by teaching evening classes. 小题3:His encouraging speech i______________ us to try again and never to give up. 小题4:Every morning little Peter d______________ newspapers from house to house. In this way, he can earn his school fees. 小题5: Yuan Longping had s______________ for decades to find out a way to increase rice harvests and ually he succeeded. 小题6:Some people began to buy the new house because the price has been r_________________. 小题7:Scientists have made many important _______________ (探索,发现). 小题8:Jane Goodall tried to make the rest of the world understand and _____________ (尊重) the life of these animals.