45．―Jackson.you look tired．What's the matter?―I my son he came back at 11:00 last night．A．waited.to B．waited.untilC．didn't wait.to D．didn't wait.untilAround the world.people have different ideas about what good mariners are．When you go to restaurants in different parts of the world.it's 46 to know the right and wrong things to do．For example.in China it's OK to 47 a lot of noise in a restaurant．In fact.if a restaurant isn't noisy and 48 you may think there's something 49 with it．However.in many western countries．restaurants ate 50 places．If a table is too loud.other people who are eating there might even 51 to the owner of the restaurant．Paying the bill is also different from country to country In China.one person usually pays for 52 ．In western countries.one person pays if he or she is entertaining clients.but 53 friends eat together.they usually 54 the cost．This is called “going Dutch ．Also.when westerners pay the bill.they usually leave some money for the 55 ．This is called “l(fā)eaving a tip ．Leaving a tip is thought to be 56 ．In the US.it's 57 Jo leave tips 10%.15%.or 20% of the bill.which is decided 58 how good the service is．Good waiters can make a lot of money!The way people eat food is 59 in the world.but you can 60 the same kind of food in many countries．Chinese and Italian food.for example.are popular all over the world． 【查看更多】

 

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—Jackson，you look tired．What's the matter?

—I ________ my son ________ he came back at 11：00 last night．

A．waited，to                                       B．waited，until

C．didn't wait，to                                    D．didn't wait，until

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