用英语翻译下列句子：

1.This is an an e-book.

2 This book introduces the English prepositions, and there are examples of each preposition.

3, were Prepositions English prepositions are divided into single words and compound preposition.

4 The e-book lists almost all the terms of a single preposition and most of the compound preposition.

5 The book is a total revenue of 150 prepositions, including 94 single words and prepositions 56 compound preposition.

6, and this book, you can detect the understanding of prepositions, a total of 200 questions and answers it.

7 This is a preposition about the good book.

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