How long do dolphin sleep?答对有奖

How long do dolphin sleep?答对有奖 海豚,dolphins,快!求How long can dolphins live?How far can a dolphin swim in a day?How fast can dolphins swim per hour?How do dolphins sleep?How long do dolphins sleep?回答,快!要准确的答案！！！！！！！！！！！！！！！！ How long do dolphins sleep? how kind the dolphin is! how long do you exercise every how long do you go to school how long do you read every night? how long do you love me how long do you live in japan how long do you read every night? how long do you think.怎么翻译 How long do they stay in Beijing? How long do you do your homework every day how long sport do you do?这句话对吗?为什么? how long sport do you do?这句话对吗?为什么? ______times do you A how often B how many C how much D how long ()do you go shopping?a:how many .b:how much .c:how long d:how ofter How long are you staying 与How long do you stay的区别?