完成句子(共6小题;每小题1分,满分6分) 根据句意及括号内的汉语提示完成句子。(每空一词) 小题1:After about three _________ (星期) holiday, we came back to school. 小题2: The food factories in China should realize the ___________ (重要)of food safety and produce healthy food for the Chinese people. 小题3:Now more and more people are rich enough to ______(买得起) new houses and cars. 小题4:Would you mind ______(去拿) some water for me, Li Ping? 小题5:Tomorrow is his ___________ (第四十)birthday. He plans to have a party. 小题6:___________(科学家)have tried lots of times to look for aliens from other planets in the last two centuries.