do you know when bees began to come into being?5031

do you know when bees began to come into being?5031 单句改错：DO you know when they began to fall in love to each oth Do you know when your mother___(come,will come) He said to me,"Do you know when we shall come back to school Tom said to me : Do you know when we shall come back to scho Do you know---yesterday.A.how did she come to school.B.when Do you know when this organization came into ________(exist) do know start you to when we do not know when man first began to use salt,but we do kn --when will he come back,do you know? Do you know fish come of eggs when they are ( )6.- Do you know when he will come back - ____ .