A. 2.B, 3.A, 4.B, 5.B 6.C 7.B, 8.C, 9.D, 10.C, 1C, 12.B, 13.D,

1. - DE TRAC NGHIEM S780 CAU
DE TRAC NGHIEM S780 CAU

1.a.

2.b,

3.a,

4.b,

5.b

6.c

7.b,

8.c,

9.d,

10.c, 11.c, 12.b, 13.d,