用所给词的正确形式填空。 1. How often (do) you go to the movies? 2. He usually (study) very late every night. 3. She is good at (swim). 4. Bob likes (surf) the Internet. 5. My good healthy habits (help) me get a good body.
【简答题】The air pollution was so bad in Harbin, in China, on October 21,2013 that the city had to close roads and schools, and cancel* hundreds of flights from its airport. News reports said the smog (a mixtu...