If you ___in taking this attitude, we’ll have to ask you to leave.

单选题

If you ___in taking this attitude, we’ll have to ask you to leave.

答案解析

单选题

If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?A. At any time you feel it is appropriateB. Only when you have reached extremisC. When you determine that your present course will cross ahead of the other vesselD. When it becomes apparent to you that the give-way vessel is not taking appropriate action

答案解析

单选题

---______ do you keep taking notes in English classes? ---Always.

答案解析

单选题

You should always apologize if you ___ somebody.

答案解析

单选题

Use a handkerchief if you need to____.

答案解析