IV. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
Câu 1: He (A) complained (B) with his friends (C) about the terrible working condition grass (D) at that factory.
A. complained
B. with
C. about
D. at
Câu 2: She refused (A) to tell me (B) what was the director's salary was because (C) that information was (D) confidential.
A. to tell
B. what was
C. that information
D. confidential
Câu 3: You (A) had better (B) learning (C) a foreign language before (D) applying for a job.
A. had better
B. learning
C. a foreign
D. applying
A.
B.
C.
D.