Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Upon reaching (A) the destination, a number of personnel is (B) expected to change (C) their reservations and proceed (D) to Hawaii.
A. reaching
B. is
C. to change
D. proceed
Đáp án B
is -> are
A number of + Npl + Vpl
Personnel is Npl
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