Tham Gia Group Dành Cho Lớp 8 Chia Sẻ, Trao Đổi Tài Liệu Miễn Phí
II. Choose the word or phrase (A, B, C or D) that best fits the blank space in the passage:
Some time ago, scientists began experiments to find out (1)
"village" under the sea. A special room was built and lowered (2).
in the Red Sea. For 29 days, five men lived (3)
(4).
the surface, t ...