99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<ins id="vefhk"></ins>

單項(xiàng)選擇題

（）will be broadcast every one hour on VHF Channel 6.

A.VHF News
B.Channel Rules
C.Visibility Time
D.Navigational Warnings

你可能感興趣的試題

單項(xiàng)選擇題

（）?Two degree on starboard.

A.What rudder
B.How heading
C.Are you on your course
D.How answer

單項(xiàng)選擇題

（）time will the pilot be available?

A.What
B.When
C.At what
D.At when