Choose the word or phrase that best completes the sentence.

1. Ask him ________ tea.

2. She smokes ________.

3. - What 's your proposal? - I propose that the meeting ________ .

4. In China an ancient medical treatment ________ as acupuncture is sometimes used during surgery.

5. There are no apples left: we've eaten ________.

11. He ________ swim very well.

12. Mrs Lee's son has a car, but he prefers to use ________.

13. - A: ________ you? - B: Yes, please get my luggage from the car.

14. We haven't heard ________ the result was.

15. Under no circumstances ________ or exchanged.