用适当的介词、副词或连词完成下列句子。

1. Englishes around the world differ from each other ____ some ways.

2. All over the world many people are speaking English ____ a second or foreign language.

3. We all know that English has also changed a lot ____ time.

4. Up to now nobody can come ____ with a good answer to the question.

5. From what you told us, he sounds ____ a nice person.

6. In China, more and more people can communicate with foreigners ____ perfect English.

7. The reason ____ the changes of language is that the world is changing, too.

8. We will have learned about 3,000 English words ____ the end of this term.

9. The English of that time became closer ____ the present English.

10. With cultures communicating ____ each other, languages change little by little.