Tham Gia Group Dành Cho Lớp 8 Chia Sẻ, Trao Đổi Tài Liệu Miễn Phí
17. My father
a packet of cigarettes last year but now he has given it up.
B. used to smoking
C. is used to smoking D. used to smoking
A. used to smoke
18. Astronauts
in their spaceship, but they frequently work outside now.
D. had used to stay
A. were used to stay
B. used to stay
C. w ...