This book is intended for readers who are interested § in examining Chinese-speaking learners' differences §in the ability to comprehend certain self-embedded §multiply complex English sentences such as Peter §thinks that taking care of himself is necessary §surprises the cleaner. Three closely related §questions are addressed in the study: (i) what is §the relationship between Chinese learners' §educational level and their ability in complex §English sentence processing? (ii) what is the §relationship between working memory capacity §and educated Chinese learners' ability in complex §English sentence processing? (iii) is there a §correlation between educated Chinese learners's L1 §proficiency and the ability in complex English §sentence processing? The research questions were §addressed by firstly providing some background §information, which was closely related to the §research questions; followed by four off-line and §three computer-administered self-paced reading §experiments.