单项选择题
Please （）.I’ll go and ask him to come.
A. wait a moment B. go C. stand D. Sit down.
单项选择题 -How do you do, Chief Officer! -（）
单项选择题 Welcome aboard. Our master is expecting you in his cabin. Come （）.
单项选择题 -May I see your （）? -Yes. Here you are.
