题目内容：

完成句子（每题1分, 满分5分）

1.All the other seemed to know each other and _____________________________

(我感到自己被冷落了)

2._______________________________(值得赞扬的是)the four countries do work together in some areas, but they still have very different institutions.

3.Nowadays many farmers ____________________________________________   (想要脱离) farming and make a living in cities.

4.Electric trains _________________________________________________(取代)steam trains in England several decades age

5.It’s very dangerous ____________________________________________ (暴露于)these virus without any protection