单元固基提能Unit 7 How much are these socks?1. 误 : We have skirts with purple. 正 : We have skirts in purple.【易错警示】表示穿着的服饰颜色 , 常用介词 in 。故应将 with 改为 in 。2. 误 : The sweater is 50 yuans. 正 : The sweater is 50 yuan.【易错警示】在介绍物品价格时 , 人民币常用yuan, 没有复数形式。但是美元 dollar 有单复数之分。故句中应将 yuans 改为 yuan 。3. 误 : Come our clothes store now! 正 : Come to our clothes store now!【易错警示】 come 后面接地点名词时要加 to, 例如 : come to our school 。4. 误 : A pair of trousers are 80 yuan in the store. 正 : A pair of trousers is 80 yuan in the store.【易错警示】“ a pair of +可数名词复数”作主语时 , 谓语动词用单数形式 ; “…pairs of +可数名词复数”作主语时 , 谓语动词用复数形式 , 如 : Three pairs of shoes are in the box.1. Eight (pair) of socks in our store (be) 2 dollars. pairsare2. 我喜欢那件红色的夹克衫。它只要 80 元。I like the jacket . It's only 80 . in redyuan3. 来参加我的生日派对吧 ! my birthday party! Come to考点一 : pair 的用法单项填空。( )1. —Can I help you? —I want to buy ______. A. a pair of sockB. two pair of socksC. two pairs of sockD. two pairs of socksD( )2. A pair of shoes ______ under the bed. A. is B. am C. are D. be A( )3. —Do you like the trousers? —Yes, I like ______. A. it B. thisC. this pair D. that C考点二 : 辨析 look, see 与 watchⅠ. 单项填空。( )1. The sweater ______ nice. I'll take it. A. look B. seeC. watches D. looks D( )2. Jack always ______ basketball games on TV. A. watch B. seesC. watches D. lookC 看选项( )3. —What can you ______ in the picture? —Some balls. A. look B. seeC. watches D. looksB Ⅱ. 用 look, see 或 watch 的适当形式填空。1. I can't Lily in the classroom. 2. ! This is a pict...