Tìm lỗi sai và sửa. 1) Preserving natural resources mean reserving them for our future. 2. Regardless of your teaching method, the objecive of any conversation should be for students to practice speaking words

Tìm lỗi sai và sửa
1. Preserving natural resources mean reserving them for our future
        A                                     B        C                  D
2. Regardless of your teaching method, the objecive of any conversation should be
         A                                                                                       B( should be)
for students to practice speaking words
C                               D(speaking words)
3. Despite of the increase in air fares, most people still prefer to travel by plane
    A                                                                   B      C           D