A-A+
Many animals may be trained to do simple jobs
问题详情
Many animals may be trained to do simple jobs if they know __. A.who their trainers are B.they will be praised by theft trainers C.they will get a reward D.something dangerous will happen to them
参考答案
正确答案:C
参见句子:The scientists say that many different animals may be trained to do anumber of simple jobs if they know they will get a reward for doing them.