句型转换
The Shanghai World Expo will last six months.（对划线部分提问）
____________ ____________ will the Shanghai World Expo last?
We will discuss the problems one by one at the meeting.（改为被动语态）
The problem will ____________ ____________ one by one at the meeting.
Haiti had a horrible earthquake.（改为感叹句）
____________ ____________ horrible earthquake Haiti had!
Did they have a good journey home? Do you know?（改为含有宾语从句的句子）
Do you know ____________ they ____________ a good journey home?
The case is so heavy that I can’t move it out of the room alone. (保持原句意思)
The case is _________ heavy for me _________ move out of the room alone.