基礎en-p1-e01
A short notice says: "Lab closed 3–5 p.m. for safety drill." What should a student do?
A. Avoid the lab during 3–5 p.m.✓ 答案
B. Enter only at 4 p.m.
C. Ignore the notice
解說
The notice blocks 3–5 p.m.（提示：Check the time window.）
The notice blocks 3–5 p.m.（提示：Check the time window.）