2. A.a B.an C.the D.\ 3. A.student B.teacher C.classmate D.friend 4. A.basketball B.badminton C.football D.tennis 5. A.of B.on C.after D.in 6. A.difficult B.boring C.same D.easy 7. A.am B.is C.are D.has 8. A.goo