前言

第一部分 语法

Structure Exercise 1 and Notes (代词)

Structure Exercise 2 and Notes (名词和冠词)

Structure Exercise 3 and Notes (主谓一致)

Structure Exercise 4 and Notes (反意疑问句)

Structure Exercise 5 and Notes (虚拟语气)

Structure Exercise 6 and Notes (语序和倒装)

Structure Exercise 7 and Notes (时态、语态、助动词)

Structure Exercise 8 and Notes (非谓语动词)

Structure Exercise 9 and Notes (形容词和副词)

Structure Exercise 10 and Notes (连词和从句)

Structure Exercise 11 and Notes (综合练习)

第二部分 词汇

Vocabulary Exercise 1 and Notes (名词+介词)

Vocabulary Exercise 2 and Notes (形容词+介词)

Vocabulary Exercise 3 and Notes (短语动词)

Vocabulary Exercise 4 and Notes (介词和介词短语)

Vocabulary Exercise 5 and Notes (成语)

Vocabulary Exercise 6 and Notes (综合练习)

第三部分 练习答案

Keys to Structure Exercises

Keys to Vocabulary Exercises