单项选择题
If he is not in his cabin, he must be （）.
A. astern B. ahead C. on the bridge D. midship
单项选择题 The first cabin （）of the saloon is his.
单项选择题 The sailors （）are making preparations for unmooring.
单项选择题 -May I use your spanner? -Certainly. Here （）.
