Unit Check 11 短听力选择 -10听一遍，选择正确答案 A: West of Delta B: Between FL300 to FL100 C: Between TER and VNG D: In the vicinity of Delta
Unit Check 11 短听力选择 -10听一遍，选择正确答案 A: West of Delta B: Between FL300 to FL100 C: Between TER and VNG D: In the vicinity of Delta
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