【文章內(nèi)容簡(jiǎn)介】
d for ? It was used for… ? Describe an invention. ? Do you think some inventions are annoying? Helpful inventions Annoying inventions A: What do you think is the most helpful invention? B: I think the most helpful invention is … A: Why is that? B: Well, it … A: If you are alone on a small island, what inventions would you like to have? B: I think it would be better to have… ? A:I’d like to have a radio because I could listen to music all day. ? B:Yes,but that’s not going to help you leave the think it would be better to have___. ? Writing: The most useful invention. potato chips crispy and salty ice cream sweet tea sweet lemon sour The history of potato chips _______ that potato chips were invented by mistake? Potato chips _______b