Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Some people say often that using cars is not so convenient as using motorbikes.

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9