Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions..(from 66 to 68).
Trả lời câu hỏi dưới đây:
Whenever problems come up, we discuss them frankly and find solutions quickly.
A. làm sạch
B. chạm chán, đụng độ
C. đến
D. xảy ra = come up