Unit 4 Wheres my schoolbag?Section B 1a-2c. 单项填空。 ( ) 1. The pen is good, _ the pencil is not. A. and B. but C. so D. that ( ) 2. “ Where is my key?” Bob always _. A. asks B. ask C. to ask D. asking ( ) 3. Jims _ are everywhereon the table, on the sofa and under the bed. A. book B. pen C. keys D. eraser ( ) 4. The clock is _ the bookcase. A. of B. with C. in D. about ( ) 5. I _ a big dictionary. A. has B. have C. is D. are. 选择合适的be动词填空。1. Where _ your book? 2. Where _ my pens?3. Where _ it? 4. The keys _ in the bag.5. _ that your baseball?III. 写出下列答句的问句。1. A: _?B: My books are in the bookcase. 2. A: _? B: The pen is under the pencil case. 3. A: _? (帽子) B: Its on your head. 4. A: _? B: Yes, his baseball is under the bed. 5. A: _? B: No, it isnt. The map isnt on the table.IV. 将下列陈述句变成一般疑问句。1. The notebooks are in my bag._?2. His hat is on the chair._?3. My computer games are in the bookcase._?4. Her ring is under the book._?5. The dictionary is hers._?七年级（上）第四单元第3课时当堂达标题答案Unit 4 Wheres my schoolbag?Section B 1a-2c. 单项填空 1. C 解析：前一句是肯定句，后一句是否定句，表示转折，用but引导。 2. C. 解析：Bob是第三人称单数，所以动词后面加s。 3. D. 解析：be动词用的是are，所以主语是复数。 4. C. 解析：在这四个选项中，只有in是表示方位的介词。 5. B. 解析： 这个句子的意思是“我有一本大字典。”. 选择合适的be动词填空。1. is 解析：主语your book是第三人称单数。 2. are 解析：主语my pens是复数。3. is 解析：主语it是第三人称单数。4. are 解析：主语the keys是复数。5. Is 解析：主语that是指示代词的第三人称单数形式。III. 写出下列答句的问句。1. Where are your books?解析：询问物品的位置，用where提问。2. Where is the pen?解析：同上。3. Where is the/my hat?解析：同上。4. Is his baseball under the bed?解析：用yes或no回答，用一般疑问句提问。5. Is the map on the table?解析：同上。IV. 将下列陈述句变成一般疑问句。1. Are the notebooks in your bag?解析：当句子中用be动词做系动词时，变一般疑问句，把be动词提前。2. Is his hat on the chair?解析：同上。3. Are your computer games in the bookcase?解析：同上。4. Is her ring under the book?解析：同上。5. Is the dictionary hers?解析：同上。2