Quy đồng:

1/4=3/12

1/3=4/12

mak 3/12<2/x<4/12

thì x ko có

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.

Building thousands of years ago, the ancient palace is popular with modern tourists.

A. Building

B. ago

C. the ancient

D. popular with