2.4 Object pronouns Unit 3 What do we need? 知识点： 3.1 Things in refrigerator:words and expressions; 3.2 Count/Noncount nouns with some and any; 3.3 Describing shopping:words and expressions; 3.4 Some/any,much /many,a lot of Unit 4 Vacation! 知识点： 4.1 Talking about weather:words and expressions; 4.2 Connecting sentences with but,or,so; 4.3 Talking about travel:words and expressions;Whose; possessive pronouns: belong to Unit 5 Heroes 知识点： 5.1 Talking about jobs:words and expressions; 5.2 The past tense of be:statements and yes/ 1111 2.4 Object pronouns Unit 3 What do we need? 知识点： 3.1 Things in refrigerator: words and expressions; 3.2 Count / Noncount nouns with some and any; 3.3 Describing shopping: words and expressions; 3.4 Some / any, much / many, a lot of Unit 4 Vacation! 知识点： 4.1 Talking about weather: words and expressions; 4.2 Connecting sentences with but, or, so; 4.3 Talking about travel: words and expressions; Whose; possessive pronouns; belong to Unit 5 Heroes 知识点： 5.1 Talking about jobs: words and expressions; 5.2 The past tense of be: statements and yes /