Đề thi học kì 1 lớp 9 môn Anh năm 2020 Phòng GD Thị xã Sơn Tây
22. From the passage, we know that
A. there is a street inside Son Doong Cave
B. the cave is always covered with rain water
C. few tourists want to come to the cave
D. tourists need permission tº explore the cave




Theo TTHN