练习材料：Lesson23 ​A new house I had a letter from my sister yesterday. She ...

练习材料：Lesson22​ A glass envelope My daughter, Jane, never dreamed of rece...

练习材料：Lesson21​ Mad or not? Aeroplanes are slowly driving me mad. I live ...

练习材料：Lesson20​ One man in a boat Fishing is my favorite sport. I often f...

练习材料：Lesson19​ Sold out 'The play may begin at any moment,' I said. 'It ...

练习材料：Lesson 17​ Always young My aunt Jennifer is an actress. She must be...

练习材料：Lesson18 ​He often does this! After I had had lunch at a village pu...

练习材料：Lesson 16​ A polite request If you park your car in the wrong place...

练习材料：Lesson 15​ Good news The secretary told me that Mr. Harmsworth woul...