You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？ （）
How tall is your sister?（）
Oh, You're back at work? How was your holiday? （）
How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）Ted
—Glad to see you again. How was your trip? —（）
How are your parents?（）
一 Hello， this is Steven Smith. Nice to hear your voice again.Hi， Mr. Smith. the coverage of your freight forwarding business？ -（）.
A:Hello, David! I haven't heard from you for a long time. How have you been recently? B:（）
Previewing is about how accurate your prediction is or how correct your answer is.
Hello, Mr. Smith! How is yourjourney?
The author probably knows how to say “Hello” in all the different languages.
1 Hi, Kate. You look pale.__________with you?2 _________ try to fit it into your daily routine?3 _________ I do that?
—How was your trip to London, Jane？ — ___________.
–How was your visit to Tibet？–_______. The scenery is amazing!
－ Hello, Xiaoyan. How are you？－ Very well, thanks. （)
A:Hello, Linda, how are you？ B:Very good. Are you good？（)
Rose: Oh, hi, Bill. How was your holiday？ Did you have a good time？ Bill: Oh, yes, it was fantastic. Thailand is really beautiful and there is so much to do. Rose: Yes, I imagine so. Did you do a lot of sight-seeing, then？ Bill: Yes, all day long! The temples were incredible. Rose: But it must have been expensive. ______ Bill: Yes, I'm sorry to say! Rose: So was it worth going to Thailand, then？ Bill: Oh, yes---definitely. It was the holiday of a lifetime.
听力原文：Man: Yesterday I bought this T-shirt in your shop. But it was too small for my son and my son wanted a blue one. So I want to change this white one for that blue one priced at twelve thirty-four. This white one is ten forty-nine. How much more will I have to pay you？
– Oh, you're back at work？ How was your holiday？ – （).
And how’s your family doing with you on the road？ They’re very 14)_____________. The last thing I told my wife was I’m not coming home until it’s over, because I do have small child at home. I have a
- Hello, Chris？ This is Lee.（)- Oh, that's OK.I was just setting the table.
－How beautiful your sweater is!
-----How do you find your visit to the museum ？ -----I thoroughly enjoyed it, it was ______ than I expected.
- Hello, Xiaoyan. How are you？- Very well, thanks. （)
