Unit 4 Wheres my schoolbag?Section A Grammar Focus-3c. 单项填空。( ) 1. Where _ your pencil box? A. are B. is C. am D. be( ) 2. Is your pen in the bag?_. A. Yes, it isnt. B. No, it is. C. Yes, I am. D. I dont know.( ) 3. Is this _ ruler? A. his B. hers C. yours D. me( ) 4. Are those your _? A. book B. CD C. keys D. pen( ) 5. Thats our _. A. sofas B. desk C. pencil boxes D. maps. 选择合适的be动词填空。1. Where _ my map?2. I think your cup _ on the table.3. _ the baseballs in your room?4. Where _ your brother?5. _ this a good book?III. 写出下列答句的问句。1. A: _?B: My pens are in the pencil case. 2. A: _? B: The ruler is under my book. 3. A: _? B: The hat is on your head. 4. A: _? B: Yes，his baseballs are under the bed. 5. A: _? B: No, they arent. The books arent in the bookcase.IV. 将下列陈述句变成一般疑问句。1. The pencils are in my pencil case._?2. His hat is under the table._?3. Thats a good schoolbag._?4. Her computer games are on the bed._?5. The schoolbag is mine._? 七年级（上）第四单元第1课时当堂达标题答案Unit 4 Wheres my schoolbag?Section A Grammar Focus3c. 单项填空。1. B 解析：主语your pencil box是第三人称单数，所以用is。 2. D 解析：一般疑问句用yes或no来回答。your pen是物，不用I 回答。3. A 解析：ruler是名词，用形容词性物主代词修饰名词。 4. C 解析：those说明用复数，只有keys是复数。5. B 解析：that 的意思是“那个”，应该用单数。. 选择合适的be动词填空。1. is 解析：主语my map是第三人称单数。 2. is 解析：主语your cup是第三人称单数。3. Are 解析：主语the baseballs是复数，句首字母要大写。 4. is 解析：主语your brother是第三人称单数。5. Is 解析：主语this是指示代词的第三人称单数，句首字母要大写。III. 写出下列答句的问句。1. Where are your pens? 解析：答语回答的是钢笔的位置，用where提问。2. Where is the ruler? 解析：答语回答的是尺子的位置，用where提问。3. Where is the hat? 解析：答语回答的是帽子的位置，用where提问。4. Are his baseballs under the bed? 解析：用yes回答，说明问句是一般疑问句。5. Are the books in the bookcase? 解析：用no回答，说明问句是一般疑问句。IV. 将下列陈述句变成一般疑问句。1. Are the pencils in your pencil case?解析：当句子中系动词为be动词时，变一般疑问句，把be动词提前。2. Is his hat under the table? 解析：同上。3. Is that a good schoolbag?解析：同上。4. Are her computer games on the bed?解析：同上。5. Is the schoolbag yours?解析：同上。 2