填空题arrival itself
单项选择题A.6.5 pounds.B.23.10 pounds.C.24.75 pounds.D.243 pounds.
单项选择题A.unknown reasons.B.a training flight.C.the training formation.D.four bombs.
单项选择题A.were allowed to work unimpeded.B.were forbidden to work at all.C.were asked to leave.D.were promptly detained.
填空题isolation