6. He is a talkative man, but he didn’t say a word in today’s discussion. I am not sure how to ______ his silence.
(2013·四川) --I feel so nervous about the National English Speech Competition tomorrow. --________.
—How far can you run without stopping? — ________. I’ve never tried.
— This is a really lively party. There’s a great atmosphere, isn’t there? — ________ The hosts know how to host a party.
(2013·江西卷)---- Thanks a lot for your book. I found it very interesting. ---- _______. I’m glad you enjoyed it.
—Thank you for the flowers. —______. I thought they might cheer you up.