In order to improve English _____.

Who do you suggest ________ sent to take part in the final competition on behalf of our school–Jack, I think.

________ he made up his mind to takea trip to Europe–Last week when he got an unexpectedreward.

There are _____ teachers in this school, and ________ of them are women teachers.

Japan’s growing sales of technology ________ a major development in this area, and we can also see its progress in other aspects.