5. 将省略句改为完整的句子
省略句使考生不易看清句子的结构。对于这类试题，可恢复被省略的成分，使句子的结构变得明朗，进而选择合适的答案。如：
—How long has China been open to the world?
—________1979.
A. After B. In C. Since D. From
分析：将答语部分改为一个完整的句子：China has been open to the world since 1979. 在所给的选项中只有since能和现在完成时连用。故答案为C。

6. 将强调句的it be和that去掉还原成一个单句
It was in the small house ________ was built with stone by his father ________ he spent his childhood.
A. which, that B. that, which C. which, which D. that,where
分析：可将题干还原成一个陈述句:He spent his childhood in the small house which was built with stone by his father. 故答案为A。

7. 将疑问句还原为陈述句
Is this book ________ you have been looking for all the time?
A. that B. one C. the one D. it
分析：首先把疑问句还原成陈述句，题干即为This book is ________ you have been looking for all the time.容易看出该题是一个缺少表语且含有定语从句的主从复合句。不难看出，定语从句you have been looking for all the time修饰的先行词是主句的表语，而选项中只有the one符合要求。故答案为C。

8. 将固定短语还原
That was ________we had in Beijing 13 years ago!
A. wonderful time B. a wonderful time
C. wonderful D. wonderfully
分析：在某些复合句中，被修饰的先行词与定语从句中的动词可构成固定短语。此句可还原为：We had a wonderful time in Beijing 13 years ago.可看出该复合句中有一固定搭配had a wonderful time(玩得愉快)，定语从句中省略了关系代词that，故答案为B。