1. At schools/ subjects/ English/ to study/ and

=>At school,among subjects,Eg is interesting to study

2. international/ language/ speak/ the world

=>It's international language to speak all around the world

3. nowadays/ more and more/ work

=.>Nowadays,More and more people need english to work

4. It is English/ communication

=>It's english to connect to communication

5. Because of/ subject/ best

=>Because of this subject is the best