Never before___________ in an carnest attempt to resolve their differences.
A. have the leaders of these two countries met
B. the leaders of these two countries have met
C. have the leaders of these two countries meet
Chọn đáp án A
Where in the passage does the author mention the meat department?
Which of the following is NOT true according to the passage?
According to the passage, what does the word “it” in line 4 refer to?
When you enter the supermarkets, you see ______.
What is the purpose of the passage?