Mark the letter A,B,C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
(A) A number of large insurance companies (B) has (C) their headquarters in the (D) capital city.
A. A number
B. has
C. their headquarters
D.capital city
Đáp án : B
a number of + N (số nhiều) : V chia số nhiều. has -> have