Unit 2 I'll help to clean up the city parks.
door(门)train(火车)clever(聪明的；聪颖的)excited(兴奋的；激动的)blind(失明的)更多单词 >>
Unit 3 Could you please clean your room?
shirt(（尤指男士）衬衫)floor(地板)chore(家务)take out the rubbish( 倒垃圾)ill(有病；不舒服)更多单词 >>
Unit 4 Why don't you talk to your parents?
guess(猜)wrong(有毛病)football(足球)allow(v.允许；准许)anymore(adv.（常用语否定句和疑问句末）再也（不）；（不）再)更多单词 >>
Unit 5 What were you doing when the rainstorm came?
light(电灯)pupil(学生；（尤指）小学生)kid(小孩)begin(开始)window(窗户)更多单词 >>
Unit 6 An old man tried to move the mountains.
book(书)tail(尾巴)silk(丝绸)stone(石头)Cinderella(《灰姑娘》)更多单词 >>
Unit 7 What's the highest mountain in the world?
square(广场)the Yangtze River( 长江)whale(鲸)Asia(亚洲)amazing(令人惊奇的)更多单词 >>
Unit 9 Have you ever been to a museum?
spring(春天)toilet(厕所，洗手间)safe(安全的)Disneyland(迪士尼乐园)the Terracotta Army( 兵马俑)更多单词 >>
