完形填空。Both Mr and Mrs Liu are teachers at a high school in Hangzhou. They are always so 1 that they almost have no chance to travel. National Day is coming. They 2 to take their children to Beijing. But3 ? By car, by high- speed (高速的) train or by plane?
"We can drive there. It is the 4 because highways are toll- free (免付费的) during National Day holidays, "Mr Liu says. "But Beijing is 5 Hangzhou. A long drive will make you very 6 ," Mrs Liu disagrees. "And there is always too much traffic on the road."
7 daughter Liu Fang says, "How about taking a high- speed train? I looked for some information online last night. We can 8 take a taxi to Hangzhou East Railway Station, and then take a train to Beijing South Railway Station. The lowest price of a ticket 9 about 560 yuan. If you all think it is OK, I can 10 the tickets on my phone now."
"Sounds 11 a nice choice, my girl! I think maybe Liu Wei wants to say something. Let's 12 him," Mr Liu says.
Liu Wei is Liu Fang's brother and he is five years younger than her. "I have no 13 which is the best way to Beijing. I just hope to 14 Beijing Daxing Airport. I saw it on TV. It is really beautiful and large," Liu Wei says.
"I also want to visit the airport,15 it is the most expensive," his sister says.
Finally, they decide to take a plane to Beijing.