题目内容
4．He did his work last week．（改为否定句）Hedidn'tdo his work last week．
分析 上周他做工作了．
上周他没有做工作．
解答 答案：didn't do．原句是一般过去时，did是do的过去式，借助于did构成否定，后加原形do，故答案是didn't do．
点评 含有be动词，情态动词或者助动词have/has的句子转化成否定时在其后面加上not，一般实意动词的否定式，通常应根据不同时态和人称在实意动词之前加don't，doesn't，didn't等．
练习册系列答案
相关题目
15．Tom is one of ________in his class．（ ）
| A． | tall | B． | taller | C． | tallest | D． | the tallest |
12．We went to UME yesterday．The movie was __________ good __________ we all want to see it again．（ ）
| A． | too，that | B． | so，to | C． | so，that | D． | very，that |
19．__________ a book in the bookstore，you need to ask for help．（ ）
| A． | To find | B． | Find | C． | Finding | D． | Finds |
16．---I think Mountain Emei is more beautiful than ___________ mountain in Chia．
---Really？I want to go there then．（ ）
---Really？I want to go there then．（ ）
| A． | the other | B． | other | C． | any other | D． | any |
13．-How are you？
-________（ ）
-________（ ）
| A． | How are you？ | B． | I am sorry | ||
| C． | I'm fine，thanks． | D． | Nice to meet you． |
14．
A：Hi，Emma!How are you？
B：Hi，Jack!（61）C
A：What's this？
B：（62）A
A：Is the boy your brother？
B：（63）E He's my cousin．
A：（64）G
B：He is thirteen．
A：（65）D
B：It's on November 12th．
| A．It's my family photo． B．What's his name？ C．I'm fine，thanks． D．When is his birthday？ E．No，he isn't． F．Yes，he is． G．How old is he？ |
B：Hi，Jack!（61）C
A：What's this？
B：（62）A
A：Is the boy your brother？
B：（63）E He's my cousin．
A：（64）G
B：He is thirteen．
A：（65）D
B：It's on November 12th．