Ⅰ. Listen and order. 听音，给句子排序。
Let's send an email.
A postcard is slow.
An email is fast.
I want to send an email to my father.
Good idea.
We can use that computer.

答案略

Ⅱ. Listen and fill in the blanks. 听音，填空。
Danny thinks a postcard is slow. He says an email is . And it doesn't need stamps.
They think it is a good . They find a in the room. So they
it to write an email. Do you know how to write an email? First write the address
and you send to. Don't forget to write your at the end.

答案略

Ⅲ. Think and write. 动脑筋，快来按要求写一写吧。
1. fast (反义词)
2. use (现在分词)
3. left (对应词)
4. idea (复数)
5. write (同音词)
6. first (基数词)
7. stamp (复数)
8. home (写出合成词)
我们见过了很多合成词,例如: blackboard(黑板),schoolbag(书包),

seafood(海鲜),penfriend(笔友),football(足球),doorbell(门铃)等。

1. slow；2. using；3. right；4. ideas；5. right；6. one；7. stamps；8. homework

1. fast意为“快的”，其反义词为slow（慢的）；2. use是以不发音字母e结尾的动词，变现在分词时要去e再加ing，即using；3. left表示“左边”，其对应词是right（右边）；4. idea是可数名词，变复数直接在词尾加s，即ideas；5. write的发音为/raɪt/，同音词为right（发音同样为/raɪt/）；6. first是序数词，对应的基数词是one；7. stamp是可数名词，变复数直接在词尾加s，即stamps；8. home可与work构成常见合成词homework（家庭作业）。