real pleasure pioneer invent daily |
Paul： Hey， Jenny， the subject for my school project is "Small inventions that changed the world"． Can you help me think of an invention？
Jenny： With（1） ! Let me think …hmm …I know! The zipper!
Paul： The zipper？ Is it（2） such a great invention？
Jenny： Think about how often it's used in our（3） lives． You can see zippers on dresses， trousers， shoes， bags …almost everywhere! I saw a website last week． The（4） of different inventions were listed there．For example，it mentioned that the zipper was（5） by Whitcomb Judson in 1893． But at that time， it wasn't used widely．
Paul： So when did it become popular？
Jenny： Around 1917．
I'm John．I'm in Grade Eight （71）a Rocky Mountain High School．Every （72）M ，I go to the Buddy Club．In the club，older students help new students learn more about the school．My friend Sam is in the （73） （ten） grade．He often listens （74） （careful） to my problems．He always offers （75） （I） some help．He is a hero in my heart．
We have different （76） （class） every day．On Friday afternoon，our school ends （77） （early） than usual．My friends （78） I often go to the Science Club together．Twice （79） week，we write robot programmes after school．We love making things，so we practice hard each time．Our team （80） （win） two competitions last term．We were very happy．
They don't need any help．They think they can do it by t ．
It snows in the n part of China in winter．
He bought me a tie．It was e what I needed．
Man cannot live w air．