The boy （ ）when he went out with his mother A:is lost B:was lost C:lost D:losted应该选什么呢?为什么

the boy seemed surprised when he heard the new.同义句转换（ ）（ ） （ ）the boy was surprised when he heard the nes. When the boy (shop),he saw the UFO (take off) The boy went to school when he was five years old.（改为同义句） when he heard what she said,the boy felt ———（please） The boy _______ (想成为一名宇航员）when he grows up! scratching,when,he,is,thinking,his,the,boy,head,likes（组句成文） The boy ran _____ when he saw his mother. when the boy get home, he always does hihomework (one) The boy wants______ an astonant when he grows up 填空 The boy could tell the time when he was only four.(保持原意）The boy___ _____tell the time when he was only four The boy started playing the piano when he was four years old.(同义句）The boy started playing the piano ___ ___ ___ ___ ___ . when the boy was 英语连词成句 the ,cilmbing ,three ,boy,when,that he saw passed he ,garden thethe ,cilmbing ,three ,boy,when,that he saw passed he ,garden the the little boy didn't cry anymore when he saw his mother同义句the little boy cried （）（）whenhe　saw　his　mother the boy forgot when he should take the medicine.the boy forgot _____ ______ take the medicine. the boy broke the window when he played foolball yesterday afternoon同义句 the window - - by the boy when he played foolball yesterday afternoon （ ） he was very young.The boy knew a lot about it.A.Allthough B.When C.If D.Because He jumped into the water when he heard a boy 什么(call) for help.