1、 【精品】Unit7 Lesson25 练习及解析北京课改版四年级英语下册一、按要求写单词。1.forget (过去式)_ 2.break (过去式)_3.What happened to(汉语)_ 4.Im sorry (汉语)_5. this afternoon(汉语)_【答案】1.forgot 2.broke 3. 发生什么事? 4. 对不起 5. 今天下午【解析】1.forget 的过去式是 forgot2.break 的过去式是 broke3.What happened to . 发生什么事4.Im sorry.对不起5. this afternoon 今天下午二、根据句意及首字母填
2、写单词。1.What h_ to the floor?2.Im s_, Lala wet it.3.I f_ to walk him this afternoon.4.Its all r_.5. What a m_!【答案】1. happened 2.sorry 3.forgot 4.right 5. mess【解析】1. 地板怎么回事?What happened to 怎么回事?2. 对不起拉拉弄湿的。be sorry 抱歉,对不起。3. 今天下午我忘记遛它了。forgot 忘记,是 forget 的过去式。4. 没关系。Its all right.固定用法。5. 真是一团糟!What a
3、mess!固定用法。三、单项选择。1.What _mess!A. a B. an C. the2. What happened _the floor?A. to B. on C. in3. I forgot _ him this afternoon.A. walk B. walking C. to walk4.I left my schoolbag _the playground.A. in B. at C. on5. I lost the key _our house.A. to B. for C. of【答案】1.A 2. A 3.C 4. C 5.A【解析】1. 此句意是:真是一团糟!W
4、hat a mess!固定用法。2.此句意是:地板是怎么回事?What happened to? 意为是怎么回事?3. 此句意是:今天下午我忘记遛它了。forget to do sth. 忘记做某事(此事还没做), forget doing sth.忘记已经做过了某事,根据句意可知应选 C。4.此句意是:我把我的书包忘在操场上了。on the playground 在操场上。5. 此句意是:我丢了我们家的钥匙了。the key to意为的钥匙。四、根据句意,选词填空。mess sorry forgot happened to1.What _to the floor?2. Im _Lala we
5、t it.3. I lost the key _our house.4.I _to walk him this afternoon.5. What a _!【答案】1.happened 2.sorry 3.to 4.forgot 5. mess【解析】1. 此句意是:地板是怎么回事?What happened to? 意为是怎么回事?2. 此句意是:对不起,拉拉弄湿的。sorry 对不起。3. 此句意是:我丢了我们家钥匙。the key to意为的钥匙。4. 此句意是:今天下午我忘记遛它了。forgot 忘记,是 forget 的过去式。5. 此句意是:真是一团糟!What a mess!固定
6、用法。五、根据要求完成句子。1. Why dont you go to school?(写出同义句)_2. He left his pencil in the classroom. (对画线部分提问)_3.I forgot to walk him this afternoon.(写出否定句)_4. Whats wrong with you?(写出同义句)_5.happened, the, what, to, floor(?)(连词成句)_【答案】1.Why not go to school?2.Where did he leave his pencil?3.I didnt forget to
7、walk him this afternoon.4. Whats the matter with you?5. What happened to the floor?【解析】1.此句意是:你为什么不去上学?与之意思相近的是: Why not go to school?2.此句画线部分是 in the classroom, 所以提问时要用 Where, 提问时要借助于助动词 did, 后面的动词用原形,应为 Where did he leave his pencil?3 此句变为否定句时要借助于助动词 did,后面的动词用原形 forget。4. 此句意是:你怎么啦?与之意思相近的是 Whats
8、 the matter with you?5.根据所给词可组成句子为:What happened to the floor?地板是怎么回事?六、根据对话内容判断正误,对的用 T,错的用 F。Mum: Oh! What happened to the floor? Its wet.Baobao: Im sorry, Mum. Lala wet it. I forgot to walk him this afternoon.Mum : Its all right. What happened to the vase, then?Baobao:I broke it. Sorry again.Mum
9、: What a mess! You naughty boys.( )1. The floor is wet.( )2. Lala wet the floor.( )3. Lala broke the vase.( )4. Baobao and Lala are naughty.( )5.Baobao forgot to walk Lala in the afternoon.【答案】1. T 2.T 3.F 4. T 5.T【解析】1.根据对话中 What happened to the floor? Its wet.可判断此句是正确的。2. 根据对话中 Im sorry, Mum. Lala wet it.可知此句是正确的。3. 根据对话中 Baobao:I broke it.可知此句是错误的。4. 根据对话中 You naughty boys.可判断此句是正确的。5.根据对话中 I forgot to walk him this afternoon.可判断此句是正确的。