Unit 9 When was it invented?When was it invented? No. 11 Middle SchoolPeriod 3alarm clocklight bulbMicrowave ovenGroupwork (4: P70)Groupwork (4: P70) What would you do if you are alone on a tiny island? Choose five inventions you would like to have on the island with you. Tell the group what you cho...

时间:2024-11-21 06:03栏目:中学教育