ritish are not so familiar with different cultures and other ways of doing things, ________ is often the case in other countries.

Today, ____ rapid transportation and communication, the whole world seems to be smaller

prove your health, you can_________ 25—30 minutes three or four times a week to do simple things such as walking,cycling or running .

Tom’s mother is very happy because Tom can dress _________ now.

Even though Jack has failed many times in his experiment, he holds a belief________he will succeed one day if he carries on with it. [ ]