【推荐1】Those _________________ the Ebola virus should be kept separated from others.(infect)
感染埃博拉病毒的患者应该被隔离。

【推荐2】It is usual for teenagers to be attracted to computer games and the online world.（同义句转换）
It is not__________ for those__________ are under twenty to be attracted to computer games and the online world.

【推荐1】只有当学会与自然和谐共存的时候，我们才不能成为野生生物和地球的威胁。
Only when we learn to exist in harmony with nature ________ ________ stop being a threat to wildlife and to our planet.

【推荐2】她不仅会说西班牙语,还精通计算机。
________, she’s also good with computers.

【推荐3】_____ (虽然他是个孩子), he knows a lot. (根据汉语提示完成句子)

【推荐3】完成句子
1. ____________________________，a great many people can't afford to buy a house.
随着房价的上升，许多人买不起房子。
2. If__________________，let's meet at 8：30 outside the school gate.
如果你时间上方便的话，让我们8：30在学校门口外集合。
3. Dinner time seemed perfect for sharing____________________________．
晚餐时间看起来是分享我们学到的东西的好时候。
4. ________the governments and scientists not worked together，AIDS－related deaths_______since their highest in 2005.
如果政府和科学家不共同努力，艾滋病相关的死亡就不会从2005年的最高点下降。
5. ____________down the street，I came across David，___________for years.
当沿着街道散步的时候，我遇见了多年未见的大卫。