I __________ a teacher. He __________ a policeman. They __________ doctors. [ ]A. am; is; are
B. am; is; is
C. is; is; are
试题答案
A
I __________ a teacher. He __________ a policeman. They __________ doctors. [ ]A. am; is; are
B. am; is; is
C. is; is; are
A