为什么Mrs jack was always spending lot of time and money in doing the shopping 中spend要加ing?

为什么Mrs jack was always spending lot of time and money in doing the shopping 中spend要加ing? When Mrs.Wang came close to Jack,she found Jack ______to music with his cellphong.A.listened B.had listened C.is listening D.was listening how long___in China?为什么选D?急!A have Mrs.Green stayed Bdid Mrs.green stated Cwill Mrs.green be stayed D was Mrs.green Mrs. Brown was eighty Why was Mrs smith angry with Jack?Because he worked_than the others.A.more carefully B.better C.worse D.more clearly Jack( )his teacher Mrs White in the street,(see) i heard ----was very clever a.the son of Mrs green's b.this son of Mrs green's为什么选b ____the room,a letter was laid on the ground.A.Entering B.Having entered C.He entered D.Mrs GrD.Mrs Green entering 为什么C不行呢 Jack started to work at__early age because his family was very poor.为什么不选不填哪 Jack was killed at the early morning of May 1st ,1927,为什么用at this boy is jack,monitor of class one为什么不加THEhe was elected president. Mrs Bond is an old friend of ________.A.Jack mother B.Jack mother's C Jack's mother D Jack's mother's同志们！D 为什么是 D mother 后还得加 S 为什么？不是都有 OF 了么？所以我觉得 mother 后 应该不需要 加 's 是不是 i heard ----was very clever a.son of mrs green b.this son of mrs green'si heard ----was very clever a.the son of Mrs green b.this son of Mrs green's 为什么选b?我不明白的是为什么用this而不用the when Mrs Brown was yong she could Mrs.Bond is an old friend of_____A.Jack mother B.Jack mother's C.Jack's mother D.Jack's mother's Mrs.Anne Sterling did not think of the risk she was taking when .最后was taking when是什么用法为什么用she Mrs Mrs.