Tham Gia Group Dành Cho Lớp 8 Chia Sẻ, Trao Đổi Tài Liệu Miễn Phí
18. I think he is not at home. If he
o. s/answered B. were / would answer C. were / would have answered D.had been /
in, he
the phone.
would have answered
19. IfI
A. were
20. If Columbus
A. do not receive / could not sail B. had not received / might not have sailed C. did not
receive / ...