do you know how long it ____(take)to get to school

How long is the Changjiang river?Do you know...改为主从复合句.Do you know() how do you know How do you know? _____ do you know about typhoons?a.how much b.how many c.how long d.how often ----- will he be back home ,do you know?A How long B How often C How soon D How far Love how long a person can uphold?Fool I do not know how long I can love you ~ How do I know you? 英语翻译Do you know how long he —— —— ——? do you know how long it ____(take)to get to school 翻译Do you know how long people live Many people live to be seventy years old. Do you know how long the bus()?A.leaves B.has left C.has been away 1.Do you know ______that bridge is and _____ it has been on the river?A.how long;how far B.how far1.Do you know ______that bridge is and _____ it has been on the river?A.how long;how far B.how far; how often C.how soon;how old D.how long:how long How long did it take him to do homework Do you know?（合并为一句） Do you know how long it would take you to go from Beijing to London完形填空的答案～ I do not know how long you can have ,but i will treasure every day with you中文意思 how long do you exercise every how long do you go to school how long do you read every night?