对中国学生而言，用英语思维比说英语更难。

Another worry is that telecommunication systems may isolate people ______ each other.

The goal of the course is to ___(rich)our understanding of other cultures.

Thisadvertisementisa___(type)exampleoftheirmarketingstrategy.

It’s___(reasonable)to expect people to work more than 60 hours a week.