单选题 Each fall my wife and I go to visit our children. It isn't that they don't like us 1 their lifestyle and their work have 2 them to the far corners of North America and we don't get to see them very 3 . For several reasons it is 4 for us to visit them than for them to visit us so we get to 5 . Usually trip number one for the 6 is the annual journey to Los Angeles to visit our younger son.Last fall, when we 7 Los Angeles, our son took us to a holiday center in Indio, about a two-hour drive east of the city. It was hot there and we spent most of our 8 in the swimming pool. I liked warm weather but none of us liked it that 9 . The local people are convinced that the late fall 10 is cool because it doesn't get much over 33 degrees. But it was 11 over 40 degrees when we stayed there.After a week in Indio, we returned to Los Angeles to 12 the heat. As we drove and looked west across the city, we could 13 a layer of dirty brown haze(雾霾) trapped above the downtown area. That's what we would be 14 for the next few days.I don't 15 Los Angeles. In fact, I wouldn't want to live anywhere in the US and Los Angeles, in particular, is not the place I would 16 even if I had to live in the US. To be fair there are many 17 in Los Angeles such as Hollywood, Long Beach and some good restaurants. 18 , having air you can almost taste and traffic jams that can make the simplest trips a nightmare does not, for me, make a 19 atmosphere in which I would want to spend my time. Nevertheless, because my son loves it, we'll still be 20 next year小题:(4)