(单选题)20: The flight was postponed because of technical problems and was finally cancelled last week when a () was discovered.
A: accident
B: defect
C: damage
D: defeat
(责任编辑:admin) |
(单选题)20: The flight was postponed because of technical problems and was finally cancelled last week when a () was discovered.
A: accident
B: defect
C: damage
D: defeat
(责任编辑:admin) |