It takes the dog and his bilnd master about a mouth learing to wo_英语解答

It takes the dog and his bilnd master about a mouth learing to workand live together哪里错了?
并更正

人气：220 ℃　时间：2019-08-17 20:40:56

解答

learning -> to learn
注：it take sb some time to do sth 固定用法‘ 花费某人……时间做某事.