Distinguish the letters’ pronunciations.(找出划线部分读音不同的一项)? (_______)?1.?A. think??? B. there? C. thank??? D. thing (_______)?2.?A. love??? B. son??? C. mother?? D. so (_______)?3.?A. fun??? B. use??? C. usually??? D. unit?? (_______)?4.?A. cake??? B. carry??? C. city????? D. cook? (_______)?5.?A. give??? B. sing??? C. go??? D. great