Yes, I certainly do know of some activities. Depending upon the level that he is at. Go to the various web sites and down load anything on becoming a citizen in that country. Believe me, he is interested in becoming a citizen, he wants to read it, and learn it. Have him write two no three pages a day in English. Read over what he writes and correct it in front of him, using simple words. Keep another book handy where he can write his misspelled words. So that, he can refer to them all later and use them again in his next writing.

Joe