【单选题】Mr. Brown is 102 years old. He is leading a full and active life. Why has he【21】so long? Many【22】would like to know the answer to the question. They are studying groups of old people all over the worl...
【简答题】Billy is four years old and in the ninth grade. He has a 26 job which gets him 27 at five o’clock every morning. He is a 28 . Each morning, Billy leaves the house at 5: l5 to go to the corner 29 t...
【简答题】Sam goes home from school. He’s hungry(饿的).And he has a lot of homework. He wants to see Mike and 26 football, too. He doesn’t have 27 time. “Hello,Sam,”says Mrs Green.“ 28 is school today? ” “Fine. B...