Chuong 9 do ve ban do dia hinhnew
De cuong on tap tdct (xd dd cn) 2013 l-p lt
Tcxdvn 205.1998 mong coc. tieu chuan thiet ke
Gps
Gerund.infinitive
Thuc tap kt
124 22 tcn262_2000p10
C93 22 tcn262_2000p9
62 b 22tcn262_2000p2
C8 f 22tcn262_2000p1
Ab6 22 tcn260_2000p7
1 a7 22tcn262_2000p4
2 a4 22tcn262_2000p3
C89 22 tcn262_2000p6
