HE IS NOT VERY GOOD ... MATHEMATICS. A, ON B, IN C...

4. - DE THI THU VAO LOP 10 LAN 1 CHUNG 2
Lớp 10 DE THI THU VAO LOP 10 LAN 1 CHUNG 2
4. He is not very good ... mathematics. A, on B, in C, for D, at