고2 보충자료 담 당 천재(김) 2과 2. Understanding Each Other 성명 본 문 어 법 Communicating in Another Language Some people know many grammar rules in a foreign language but (are / is) not able to get their point across. (Other / Others / Another) do (poorly / poor) on grammar tests but manage to (expressing / express) themselves quite well. What makes the difference? ______..