题目内容

ACKNOWLEDGE”means（）

A. let me know that you have received this message
B. let me know that you have understood this message
C. let me know that you have received and understood this message
D. let me know whether you received this message

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A. in sight
B. on base
C. is close
D. on final

A. right of track
B. rightside
C. at right
D. track right

A. RUNWAY TREE SIX ROMEO
B. RUNWAY THIRTY-SIX ROMEO
C. RUNWAY TREE SIX RIGHT
D. RUNWAY THIRTY-SIX RIGHT

A. 错误
B. 正确