I have _____ European pen friend，and he likes playing _____ guitar．（　　）

My sister doesn't like fish，_____ I like fish very much．（　　）

It is necessary for us students _____ the listening ability．（　　）

There _____ a basketball match in our school tomorrow．（　　）

Dear classmates，may I have your attention，please？I have _____ to tell you．（　　）