根据汉语意思完成英语句子，每个空格填一个单词。
---你几点上学？  ---大概7:30吧。
---___________ ___________ do you go to school?   ---At About 7:30.
世博会的会标什么样？
What does the Shanghai Expo logo ___________ ___________?
在污染环境方面不允许工厂重蹈覆辙。
The factories aren’t allowed to do ___________ ___________ things to pollute the environment
三个月期间预计有70,000,000人到上海世博会来参观。
70 million people __________ __________ to visit the Shanghai Expo 2010 during three months.
小组合作学习的最重要之处在于有效地组织小组成员
The most important thing for working in groups is that the members should be ___________ ____________