洪恩环境英语第六册练习 11

[-1:29.00]Do you have to back it up?
[-1:30.00]I have to look the answer up.
[-1:31.00]Do you have to look the answer up.
[-1:32.00]I have to hand the money over.
[-1:33.00]Do you have to hand it over?
[-1:34.00]I have to tear these boxes open.
[-1:35.00]Do you have to tear'em open.
[-1:36.00]I have to write these numbers down?
[-1:37.00]Do you have to Write'em down?
[-1:38.00]I have to call Jeff up.
[-1:39.00]Do you have to call him up?
[-1:40.00]I have to figure the problem out.
[-1:41.00]Do you have to figure it out?
[-1:42.00]I have to look Tom and Alice up.
[-1:43.00]Do you have to look'em up?
[-1:44.00]I have to turn the table over.
[-1:45.00]Do you have to turn it over?
[-1:46.00]I have to do my homework over.
[-1:47.00]Do you have to do it over?
[-1:48.00]I have to call my friends up tomorrow.
[-1:49.00]Do you have to call'em up?
[-1:50.00]This is the end of Lesson Eleven.