1.Why did the U.S.avoid involvement in WWII until December 1941?Why was the Pearl Harbor attack such a shock to the U.S.2.Why was the invention of penicillin so important in the context of WWII?What were some other advances in medicine that were impo

1.Why did the U.S.avoid involvement in WWII until December 1941?Why was the Pearl Harbor attack such a shock to the U.S.2.Why was the invention of penicillin so important in the context of WWII?What were some other advances in medicine that were impo 关于the question is 后面的句子应该是 why did u do that 还是 why u did that. Why did the people 英语翻译写成意思相近或相同1.Why did he say no to such a good plan?Why die he ______to ____good a plan 2.That's why i don't like traveling.That's the reason _____I_____traveling. 脑筋急转弯 Why did little Tom put his brother’s guitar in the refrigerator 英语翻译did you see my sister?she is now in the U.S. Amerian civil-rights movementHow did black Americans live in the U.S.After slavery ended? How did black Americans live in the U.S.after slavery ended? How did black Amcricans live in the U.S after slavery ended 1.why can not a man living in the u.s .be buried in canada?2.how many times can you subtract the number 5 from 25? Complete the following dialogues with the expressions in the box Take ...out of 1.A:Why did the lComplete the following dialogues with the expressions in the box Take ...out of ,get up,run across ,look at ,think of / about 1.A:Why did the librarian s Why did people choose the name Greenland why did the man change his job? （why did the deer stand in the sun?.（why did the deer stand in the sun?. 1.Who is Miss wu?_________________________ 2.Why1.Who is Miss wu? _________________________ 2.Why did the headmaster come to Miss Wu's class? __________________________ 3.What's the headmaster's advice for Miss Wu? _______________________ why u always do the same thing? why is U the jolliest letter? Why is U the happiest letter