He is unhappy because of his
Question: He is unhappy because of his _________ .
A. deaf
B. deafen
C. deafness
D. deafeness
Question: He is unhappy because of his _________ .
A. deaf
B. deafen
C. deafness
D. deafeness
Đáp án: C
Giải thích: Because of + N (phrase) / Ving, S + V (Clause)
Dịch: Anh ấy không hạnh phúc vì bị điếc.