Dogs can be trained to help b____ people cross the street

Dogs can be trained to help b____ people cross the street some dogs can be really be trained 英语翻译Some animals can be trained to help humans.For example,specially trained dogs help blind people walk around the town safely.Some kinds of monkeys can be taught things too.They can learn how to help people who can’t use their arms or leg 英语翻译testman can’t be proved trained.testman can’t be proved who is trained.testman can’t be proved to be trained. No one can walk the wire without a bit of fear unless _______ very young.A.having been trained B.trained C.to be trained D.being trained我想选A,A对吗,为什么? No one can walk the wire without a bit of fear unless ____very youngA having been trained B trained C to be trained D being trained 我选的A可是答案是B,为什么?这题考的是什么语法点? dogs can be d( ) if they are sick. why do you think people can be trained communicating more efficiently? Dogs can be a lot of trouble.改为附加疑问句Dogs can be a lot of trouble,______ _______? ----The man_____the dogs to be watchdogs.----Yes,he has____a lot of money.A.trained;get B.trained;made C.trains;get D.trains;made选B还是D,麻烦给出详细理由. be trained on 如题 Dogs can help blind dogs can be a lot of trouble 这里怎么用be?可不可以用 cause Dogs can be a lot of trouble.这里be的能换成get吗? A,training B,trained C,being trained ,D,to be tA,training B,trained C,being trained ,D,to be trained 为什么选B不选D啊 should animals be trained yo help humanswhy? Should Animals Be Trained to Help Humans